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57032167212013 = 723731457345401
BaseRepresentation
bin11001111011110110101100…
…00100010100001111101101
321110221012222210101220212211
430331323112010110033231
524433403334301241023
6321144114345530421
715004303161446500
oct1475732604241755
9243835883356784
1057032167212013
111719922a624974
1264912714a3a11
1325a9158405066
14101252ba2d137
1568d80e379a0d
hex33ded61143ed

57032167212013 has 12 divisors (see below), whose sum is σ = 68136610140732. Its totient is φ = 47563506244800.

The previous prime is 57032167211969. The next prime is 57032167212061. The reversal of 57032167212013 is 31021276123075.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54229630061929 + 2802537150084 = 7364077^2 + 1674078^2 .

It is not a de Polignac number, because 57032167212013 - 225 = 57032133657581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57032167212613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15728670888 + ... + 15728674513.

It is an arithmetic number, because the mean of its divisors is an integer number (5678050845061).

Almost surely, 257032167212013 is an apocalyptic number.

It is an amenable number.

57032167212013 is a deficient number, since it is larger than the sum of its proper divisors (11104442928719).

57032167212013 is a wasteful number, since it uses less digits than its factorization.

57032167212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31457345452 (or 31457345445 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 57032167212013 in words is "fifty-seven trillion, thirty-two billion, one hundred sixty-seven million, two hundred twelve thousand, thirteen".

Divisors: 1 7 37 49 259 1813 31457345401 220201417807 1163921779837 1541409924649 8147452458859 57032167212013