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57016716155 = 572010781019
BaseRepresentation
bin110101000110011101…
…100000101101111011
312110011121000021122222
4311012131200231323
51413232234404110
642105414034255
74055633043110
oct650635405573
9173147007588
1057016716155
11221a94a4823
12b07294898b
1354b8679489
142a8c59c907
15173a8b1c55
hexd46760b7b

57016716155 has 16 divisors (see below), whose sum is σ = 78199207680. Its totient is φ = 39094749792.

The previous prime is 57016716137. The next prime is 57016716191. The reversal of 57016716155 is 55161761075.

It is not a de Polignac number, because 57016716155 - 216 = 57016650619 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663236 + ... + 744254.

It is an arithmetic number, because the mean of its divisors is an integer number (4887450480).

Almost surely, 257016716155 is an apocalyptic number.

57016716155 is a deficient number, since it is larger than the sum of its proper divisors (21182491525).

57016716155 is a wasteful number, since it uses less digits than its factorization.

57016716155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101138.

The product of its (nonzero) digits is 220500, while the sum is 44.

The spelling of 57016716155 in words is "fifty-seven billion, sixteen million, seven hundred sixteen thousand, one hundred fifty-five".

Divisors: 1 5 7 35 20107 81019 100535 140749 405095 567133 703745 2835665 1629049033 8145245165 11403343231 57016716155