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57825308864 = 2631238112241
BaseRepresentation
bin110101110110101010…
…000011000011000000
312112020221112001100002
4311312222003003000
51421411234340424
642321541015132
74114652005211
oct656652030300
9175227461302
1057825308864
1122583974464
12b2596b44a8
1355b704a4bb
142b27b23408
151786884cae
hexd76a830c0

57825308864 has 56 divisors (see below), whose sum is σ = 118508044416. Its totient is φ = 27965952000.

The previous prime is 57825308857. The next prime is 57825308899. The reversal of 57825308864 is 46880352875.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4717784 + ... + 4730024.

Almost surely, 257825308864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57825308864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59254022208).

57825308864 is an abundant number, since it is smaller than the sum of its proper divisors (60682735552).

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

57825308864 is a wasteful number, since it uses less digits than its factorization.

57825308864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14665 (or 14655 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 57825308864 in words is "fifty-seven billion, eight hundred twenty-five million, three hundred eight thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 992 1984 2381 4762 9524 12241 19048 24482 38096 48964 73811 76192 97928 147622 152384 195856 295244 379471 391712 590488 758942 783424 1180976 1517884 2361952 3035768 4723904 6071536 12143072 24286144 29145821 58291642 116583284 233166568 466333136 903520451 932666272 1807040902 1865332544 3614081804 7228163608 14456327216 28912654432 57825308864