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57218046017 = 1165920813793
BaseRepresentation
bin110101010010011101…
…100001100001000001
312110200121211220022112
4311102131201201001
51414140304433032
642141405145105
74063626236456
oct652235414101
9173617756275
1057218046017
11222a2105940
12b10a25b195
13551b2aab82
142aab20982d
15174d3d01b2
hexd52761841

57218046017 has 16 divisors (see below), whose sum is σ = 62560935360. Its totient is φ = 51898828800.

The previous prime is 57218045959. The next prime is 57218046023. The reversal of 57218046017 is 71064081275.

It is a cyclic number.

It is not a de Polignac number, because 57218046017 - 216 = 57217980481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57218046047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15083273 + ... + 15087065.

It is an arithmetic number, because the mean of its divisors is an integer number (3910058460).

Almost surely, 257218046017 is an apocalyptic number.

It is an amenable number.

57218046017 is a deficient number, since it is larger than the sum of its proper divisors (5342889343).

57218046017 is a wasteful number, since it uses less digits than its factorization.

57218046017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6544.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 57218046017 in words is "fifty-seven billion, two hundred eighteen million, forty-six thousand, seventeen".

Divisors: 1 11 659 2081 3793 7249 22891 41723 1371379 2499587 7893233 15085169 27495457 86825563 5201640547 57218046017