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57712913664 = 283710735289
BaseRepresentation
bin110101101111111101…
…010010110100000000
312111222010000210002220
4311233331102310000
51421144001214124
642302444011040
74112115446340
oct655775226400
9174863023086
1057712913664
112252648726a
12b227b30a80
135599986b73
142b16c26d20
15177ba82879
hexd6ff52d00

57712913664 has 72 divisors (see below), whose sum is σ = 175543462080. Its totient is φ = 16489402368.

The previous prime is 57712913633. The next prime is 57712913693. The reversal of 57712913664 is 46631921775.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5362269 + ... + 5373020.

It is an arithmetic number, because the mean of its divisors is an integer number (2438103640).

Almost surely, 257712913664 is an apocalyptic number.

It is an amenable number.

57712913664 is an abundant number, since it is smaller than the sum of its proper divisors (117830548416).

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

57712913664 is a wasteful number, since it uses less digits than its factorization.

57712913664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10735315 (or 10735301 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The spelling of 57712913664 in words is "fifty-seven billion, seven hundred twelve million, nine hundred thirteen thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 672 768 896 1344 1792 2688 5376 10735289 21470578 32205867 42941156 64411734 75147023 85882312 128823468 150294046 171764624 225441069 257646936 300588092 343529248 450882138 515293872 601176184 687058496 901764276 1030587744 1202352368 1374116992 1803528552 2061175488 2404704736 2748233984 3607057104 4122350976 4809409472 7214114208 8244701952 9618818944 14428228416 19237637888 28856456832 57712913664