2. Înmulțește fiecare bit cu puterea lui 2 corespunzătoare, apoi însumează termenii.
100 0000 0010 0000 0010 0000 0001 0000 0000 1000 0000 0100 0000 0010 0000 1010(2) =
(1 × 262 + 0 × 261 + 0 × 260 + 0 × 259 + 0 × 258 + 0 × 257 + 0 × 256 + 0 × 255 + 0 × 254 + 1 × 253 + 0 × 252 + 0 × 251 + 0 × 250 + 0 × 249 + 0 × 248 + 0 × 247 + 0 × 246 + 1 × 245 + 0 × 244 + 0 × 243 + 0 × 242 + 0 × 241 + 0 × 240 + 0 × 239 + 0 × 238 + 0 × 237 + 1 × 236 + 0 × 235 + 0 × 234 + 0 × 233 + 0 × 232 + 0 × 231 + 0 × 230 + 0 × 229 + 0 × 228 + 1 × 227 + 0 × 226 + 0 × 225 + 0 × 224 + 0 × 223 + 0 × 222 + 0 × 221 + 0 × 220 + 0 × 219 + 1 × 218 + 0 × 217 + 0 × 216 + 0 × 215 + 0 × 214 + 0 × 213 + 0 × 212 + 0 × 211 + 0 × 210 + 1 × 29 + 0 × 28 + 0 × 27 + 0 × 26 + 0 × 25 + 0 × 24 + 1 × 23 + 0 × 22 + 1 × 21 + 0 × 20)(10) =
(4 611 686 018 427 387 904 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 9 007 199 254 740 992 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 35 184 372 088 832 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 68 719 476 736 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 134 217 728 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 262 144 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 512 + 0 + 0 + 0 + 0 + 0 + 8 + 0 + 2 + 0)(10) =
(4 611 686 018 427 387 904 + 9 007 199 254 740 992 + 35 184 372 088 832 + 68 719 476 736 + 134 217 728 + 262 144 + 512 + 8 + 2)(10) =
4 620 728 470 908 174 858(10)