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57403212412164 = 22359558971450489
BaseRepresentation
bin11010000110101001110100…
…00101011011010100000100
321112020200201120102001120020
431003110322011123110010
530010443234334142124
6322030401032135140
715043150054556433
oct1503247205332404
9245220646361506
1057403212412164
11173216249a9613
1265311638374b0
13260513b082c28
14102648a4dd11a
156982c8ca8379
hex34353a15b504

57403212412164 has 48 divisors (see below), whose sum is σ = 136213543233600. Its totient is φ = 18809742721536.

The previous prime is 57403212412159. The next prime is 57403212412199. The reversal of 57403212412164 is 46121421230475.

It is a super-2 number, since 2×574032124121642 (a number of 28 digits) contains 22 as substring.

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, 38849832 + ... + 40300320.

It is an arithmetic number, because the mean of its divisors is an integer number (2837782150700).

Almost surely, 257403212412164 is an apocalyptic number.

It is an amenable number.

57403212412164 is an abundant number, since it is smaller than the sum of its proper divisors (78810330821436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57403212412164 is a wasteful number, since it uses less digits than its factorization.

57403212412164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506452 (or 1506450 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 57403212412164 in words is "fifty-seven trillion, four hundred three billion, two hundred twelve million, four hundred twelve thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 55897 111794 167691 223588 335382 670764 1450489 2900978 3297923 4351467 5801956 6595846 8702934 9893769 13191692 17405868 19787538 39575076 85578851 171157702 256736553 342315404 513473106 1026946212 81077983633 162155967266 243233950899 324311934532 486467901798 972935803596 4783601034347 9567202068694 14350803103041 19134404137388 28701606206082 57403212412164