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57127117605 = 3518312079997
BaseRepresentation
bin110101001101000010…
…101010001100100101
312110110021202020222120
4311031002222030211
51413444020230410
642124400220153
74061443326165
oct651502521445
9173407666876
1057127117605
112225584aa98
12b0a390a659
1355054c248c
142a9d0da5a5
15174541d570
hexd4d0aa325

57127117605 has 16 divisors (see below), whose sum is σ = 91453352064. Its totient is φ = 30451141440.

The previous prime is 57127117517. The next prime is 57127117633. The reversal of 57127117605 is 50671172175.

It is not a de Polignac number, because 57127117605 - 210 = 57127116581 is a prime.

It is a congruent number.

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, 1012534 + ... + 1067463.

It is an arithmetic number, because the mean of its divisors is an integer number (5715834504).

Almost surely, 257127117605 is an apocalyptic number.

It is an amenable number.

57127117605 is a deficient number, since it is larger than the sum of its proper divisors (34326234459).

57127117605 is a wasteful number, since it uses less digits than its factorization.

57127117605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081836.

The product of its (nonzero) digits is 102900, while the sum is 42.

The spelling of 57127117605 in words is "fifty-seven billion, one hundred twenty-seven million, one hundred seventeen thousand, six hundred five".

Divisors: 1 3 5 15 1831 5493 9155 27465 2079997 6239991 10399985 31199955 3808474507 11425423521 19042372535 57127117605