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57871814734 = 2192366214891
BaseRepresentation
bin110101111001011011…
…011101000001001110
312112101012000210101201
4311321123131001032
51422010141032414
642330321500114
74116055210636
oct657133350116
9175335023351
1057871814734
11225a8148a68
12b2711a163a
1355c3881376
142b2dd8b6c6
15178a9be574
hexd796dd04e

57871814734 has 16 divisors (see below), whose sum is σ = 95349444480. Its totient is φ = 26221096440.

The previous prime is 57871814731. The next prime is 57871814747. The reversal of 57871814734 is 43741817875.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57871814731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33106572 + ... + 33108319.

It is an arithmetic number, because the mean of its divisors is an integer number (5959340280).

Almost surely, 257871814734 is an apocalyptic number.

57871814734 is a deficient number, since it is larger than the sum of its proper divisors (37477629746).

57871814734 is a wasteful number, since it uses less digits than its factorization.

57871814734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66214935.

The product of its digits is 5268480, while the sum is 55.

The spelling of 57871814734 in words is "fifty-seven billion, eight hundred seventy-one million, eight hundred fourteen thousand, seven hundred thirty-four".

Divisors: 1 2 19 23 38 46 437 874 66214891 132429782 1258082929 1522942493 2516165858 3045884986 28935907367 57871814734