2. Multiply each bit by its corresponding power of 2 and add all the terms up.
101 1100 0001 0001 1010 0101 1110 0000 0010(2) =
(1 × 234 + 0 × 233 + 1 × 232 + 1 × 231 + 1 × 230 + 0 × 229 + 0 × 228 + 0 × 227 + 0 × 226 + 0 × 225 + 1 × 224 + 0 × 223 + 0 × 222 + 0 × 221 + 1 × 220 + 1 × 219 + 0 × 218 + 1 × 217 + 0 × 216 + 0 × 215 + 1 × 214 + 0 × 213 + 1 × 212 + 1 × 211 + 1 × 210 + 1 × 29 + 0 × 28 + 0 × 27 + 0 × 26 + 0 × 25 + 0 × 24 + 0 × 23 + 0 × 22 + 1 × 21 + 0 × 20)(10) =
(17 179 869 184 + 0 + 4 294 967 296 + 2 147 483 648 + 1 073 741 824 + 0 + 0 + 0 + 0 + 0 + 16 777 216 + 0 + 0 + 0 + 1 048 576 + 524 288 + 0 + 131 072 + 0 + 0 + 16 384 + 0 + 4 096 + 2 048 + 1 024 + 512 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 2 + 0)(10) =
(17 179 869 184 + 4 294 967 296 + 2 147 483 648 + 1 073 741 824 + 16 777 216 + 1 048 576 + 524 288 + 131 072 + 16 384 + 4 096 + 2 048 + 1 024 + 512 + 2)(10) =
24 714 567 170(10)
The number 101 1100 0001 0001 1010 0101 1110 0000 0010(2) converted from an unsigned binary (in base 2) and written as a positive integer (with no sign) in decimal system (in base ten):
101 1100 0001 0001 1010 0101 1110 0000 0010(2) = 24 714 567 170(10)
Spaces were used to group digits: for binary, by 4, for decimal, by 3.