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57168262845 = 3253759357901
BaseRepresentation
bin110101001111011111…
…100111011010111101
312110120011011122122100
4311033133213122331
51414040033402340
642132430135313
74062453134151
oct651737473275
9173504148570
1057168262845
1122276aa3021
12b0b5651539
135510b9a385
142aa476b061
151748d49830
hexd4f7e76bd

57168262845 has 48 divisors (see below), whose sum is σ = 101943187632. Its totient is φ = 29615155200.

The previous prime is 57168262807. The next prime is 57168262849. The reversal of 57168262845 is 54826286175.

57168262845 is a `hidden beast` number, since 5 + 7 + 1 + 6 + 8 + 2 + 628 + 4 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 180069561 + 56988193284 = 13419^2 + 238722^2 .

It is not a de Polignac number, because 57168262845 - 28 = 57168262589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57168262791 and 57168262800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57168262849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 958395 + ... + 1016295.

It is an arithmetic number, because the mean of its divisors is an integer number (2123816409).

Almost surely, 257168262845 is an apocalyptic number.

It is an amenable number.

57168262845 is a deficient number, since it is larger than the sum of its proper divisors (44774924787).

57168262845 is a wasteful number, since it uses less digits than its factorization.

57168262845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58542 (or 58539 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 57168262845 in words is "fifty-seven billion, one hundred sixty-eight million, two hundred sixty-two thousand, eight hundred forty-five".

Divisors: 1 3 5 9 15 37 45 111 185 333 555 593 1665 1779 2965 5337 8895 21941 26685 57901 65823 109705 173703 197469 289505 329115 521109 868515 987345 2142337 2605545 6427011 10711685 19281033 32135055 34335293 96405165 103005879 171676465 309017637 515029395 1270405841 1545088185 3811217523 6352029205 11433652569 19056087615 57168262845