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28506755376 = 24321137486397
BaseRepresentation
bin11010100011001000…
…101001000100110000
32201120200111012211200
4122203020221010300
5431340212133001
621032410411200
72026265264661
oct324310510460
981520435750
1028506755376
11110a9358270
125636a30b00
1328c3bc98b8
141545dc3368
15b1c9b6086
hex6a3229130

28506755376 has 120 divisors (see below), whose sum is σ = 89384387664. Its totient is φ = 8404922880.

The previous prime is 28506755359. The next prime is 28506755383. The reversal of 28506755376 is 67355760582.

28506755376 is a `hidden beast` number, since 2 + 85 + 0 + 6 + 7 + 553 + 7 + 6 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184591 + ... + 301806.

Almost surely, 228506755376 is an apocalyptic number.

It is an amenable number.

28506755376 is an abundant number, since it is smaller than the sum of its proper divisors (60877632288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28506755376 is a wasteful number, since it uses less digits than its factorization.

28506755376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486459 (or 486450 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 28506755376 in words is "twenty-eight billion, five hundred six million, seven hundred fifty-five thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 37 44 48 66 72 74 88 99 111 132 144 148 176 198 222 264 296 333 396 407 444 528 592 666 792 814 888 1221 1332 1584 1628 1776 2442 2664 3256 3663 4884 5328 6512 7326 9768 14652 19536 29304 58608 486397 972794 1459191 1945588 2918382 3891176 4377573 5350367 5836764 7782352 8755146 10700734 11673528 16051101 17510292 17996689 21401468 23347056 32102202 35020584 35993378 42802936 48153303 53990067 64204404 70041168 71986756 85605872 96306606 107980134 128408808 143973512 161970201 192613212 197963579 215960268 256817616 287947024 323940402 385226424 395927158 431920536 593890737 647880804 770452848 791854316 863841072 1187781474 1295761608 1583708632 1781672211 2375562948 2591523216 3167417264 3563344422 4751125896 7126688844 9502251792 14253377688 28506755376