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57357953093 = 7611036611973
BaseRepresentation
bin110101011010110011…
…001110100001000101
312111001101002220202002
4311122303032201011
51414432113444333
642203323555045
74100245362020
oct653263164105
9174041086662
1057357953093
1122364084121
12b14908ba85
135541284b1c
142ac1a281b7
15175a8190e8
hexd5acce845

57357953093 has 32 divisors (see below), whose sum is σ = 67409352192. Its totient is φ = 47791814400.

The previous prime is 57357953089. The next prime is 57357953101. The reversal of 57357953093 is 39035975375.

It is a happy number.

57357953093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 57357953093 - 22 = 57357953089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57357953033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29070455 + ... + 29072427.

It is an arithmetic number, because the mean of its divisors is an integer number (2106542256).

Almost surely, 257357953093 is an apocalyptic number.

It is an amenable number.

57357953093 is a deficient number, since it is larger than the sum of its proper divisors (10051399099).

57357953093 is a wasteful number, since it uses less digits than its factorization.

57357953093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805.

The product of its (nonzero) digits is 13395375, while the sum is 56.

The spelling of 57357953093 in words is "fifty-seven billion, three hundred fifty-seven million, nine hundred fifty-three thousand, ninety-three".

Divisors: 1 7 61 103 427 661 721 1973 4627 6283 13811 40321 43981 68083 120353 203219 282247 476581 842471 1304153 1422533 4153063 9129071 12396359 29071441 79553333 86774513 134327759 556873331 940294313 8193993299 57357953093