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57377516468 = 2231617374959
BaseRepresentation
bin110101011011111101…
…110110101110110100
312111002201220211122112
4311123331312232310
51420002121011333
642205303150152
74100603562056
oct653375665664
9174081824575
1057377516468
11223741263a8
12b153745358
13554534459c
142ac447b8d6
15175c3d0948
hexd5bf76bb4

57377516468 has 24 divisors (see below), whose sum is σ = 103667880960. Its totient is φ = 27758446560.

The previous prime is 57377516423. The next prime is 57377516477. The reversal of 57377516468 is 86461577375.

It is a super-2 number, since 2×573775164682 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 727973 + ... + 802931.

It is an arithmetic number, because the mean of its divisors is an integer number (4319495040).

Almost surely, 257377516468 is an apocalyptic number.

It is an amenable number.

57377516468 is a deficient number, since it is larger than the sum of its proper divisors (46290364492).

57377516468 is a wasteful number, since it uses less digits than its factorization.

57377516468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81167 (or 81165 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 59.

The spelling of 57377516468 in words is "fifty-seven billion, three hundred seventy-seven million, five hundred sixteen thousand, four hundred sixty-eight".

Divisors: 1 2 4 31 62 124 6173 12346 24692 74959 149918 191363 299836 382726 765452 2323729 4647458 9294916 462721907 925443814 1850887628 14344379117 28688758234 57377516468