2. Multiply each bit by its corresponding power of 2 and add all the terms up.
1100 1110 0110 1101 0110 1001 0111 0000 0110 1100 0110 0001 0110(2) =
(1 × 251 + 1 × 250 + 0 × 249 + 0 × 248 + 1 × 247 + 1 × 246 + 1 × 245 + 0 × 244 + 0 × 243 + 1 × 242 + 1 × 241 + 0 × 240 + 1 × 239 + 1 × 238 + 0 × 237 + 1 × 236 + 0 × 235 + 1 × 234 + 1 × 233 + 0 × 232 + 1 × 231 + 0 × 230 + 0 × 229 + 1 × 228 + 0 × 227 + 1 × 226 + 1 × 225 + 1 × 224 + 0 × 223 + 0 × 222 + 0 × 221 + 0 × 220 + 0 × 219 + 1 × 218 + 1 × 217 + 0 × 216 + 1 × 215 + 1 × 214 + 0 × 213 + 0 × 212 + 0 × 211 + 1 × 210 + 1 × 29 + 0 × 28 + 0 × 27 + 0 × 26 + 0 × 25 + 1 × 24 + 0 × 23 + 1 × 22 + 1 × 21 + 0 × 20)(10) =
(2 251 799 813 685 248 + 1 125 899 906 842 624 + 0 + 0 + 140 737 488 355 328 + 70 368 744 177 664 + 35 184 372 088 832 + 0 + 0 + 4 398 046 511 104 + 2 199 023 255 552 + 0 + 549 755 813 888 + 274 877 906 944 + 0 + 68 719 476 736 + 0 + 17 179 869 184 + 8 589 934 592 + 0 + 2 147 483 648 + 0 + 0 + 268 435 456 + 0 + 67 108 864 + 33 554 432 + 16 777 216 + 0 + 0 + 0 + 0 + 0 + 262 144 + 131 072 + 0 + 32 768 + 16 384 + 0 + 0 + 0 + 1 024 + 512 + 0 + 0 + 0 + 0 + 16 + 0 + 4 + 2 + 0)(10) =
(2 251 799 813 685 248 + 1 125 899 906 842 624 + 140 737 488 355 328 + 70 368 744 177 664 + 35 184 372 088 832 + 4 398 046 511 104 + 2 199 023 255 552 + 549 755 813 888 + 274 877 906 944 + 68 719 476 736 + 17 179 869 184 + 8 589 934 592 + 2 147 483 648 + 268 435 456 + 67 108 864 + 33 554 432 + 16 777 216 + 262 144 + 131 072 + 32 768 + 16 384 + 1 024 + 512 + 16 + 4 + 2)(10) =
3 631 509 051 721 238(10)
The number 1100 1110 0110 1101 0110 1001 0111 0000 0110 1100 0110 0001 0110(2) converted from an unsigned binary (in base 2) and written as a positive integer (with no sign) in decimal system (in base ten):
1100 1110 0110 1101 0110 1001 0111 0000 0110 1100 0110 0001 0110(2) = 3 631 509 051 721 238(10)
Spaces were used to group digits: for binary, by 4, for decimal, by 3.