2. Înmulțește fiecare bit cu puterea lui 2 corespunzătoare, apoi însumează termenii.
1010 1101 0100 1100 0000 0000 0011 1111(2) =
(1 × 231 + 0 × 230 + 1 × 229 + 0 × 228 + 1 × 227 + 1 × 226 + 0 × 225 + 1 × 224 + 0 × 223 + 1 × 222 + 0 × 221 + 0 × 220 + 1 × 219 + 1 × 218 + 0 × 217 + 0 × 216 + 0 × 215 + 0 × 214 + 0 × 213 + 0 × 212 + 0 × 211 + 0 × 210 + 0 × 29 + 0 × 28 + 0 × 27 + 0 × 26 + 1 × 25 + 1 × 24 + 1 × 23 + 1 × 22 + 1 × 21 + 1 × 20)(10) =
(2 147 483 648 + 0 + 536 870 912 + 0 + 134 217 728 + 67 108 864 + 0 + 16 777 216 + 0 + 4 194 304 + 0 + 0 + 524 288 + 262 144 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 32 + 16 + 8 + 4 + 2 + 1)(10) =
(2 147 483 648 + 536 870 912 + 134 217 728 + 67 108 864 + 16 777 216 + 4 194 304 + 524 288 + 262 144 + 32 + 16 + 8 + 4 + 2 + 1)(10) =
2 907 439 167(10)