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57424432812 = 22310334632497
BaseRepresentation
bin110101011110110000…
…110100111010101100
312111020000012102202220
4311132300310322230
51420101123322222
642214100515340
74102013424315
oct653660647254
9174200172686
1057424432812
112239866033a
12b1673abb50
135551c90236
142aca7b160c
15176159bb5c
hexd5ec34eac

57424432812 has 24 divisors (see below), whose sum is σ = 134120082096. Its totient is φ = 19122943488.

The previous prime is 57424432801. The next prime is 57424432817. The reversal of 57424432812 is 21823442475.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57424432817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2303853 + ... + 2328644.

It is an arithmetic number, because the mean of its divisors is an integer number (5588336754).

Almost surely, 257424432812 is an apocalyptic number.

It is an amenable number.

57424432812 is an abundant number, since it is smaller than the sum of its proper divisors (76695649284).

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

57424432812 is a wasteful number, since it uses less digits than its factorization.

57424432812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633537 (or 4633535 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The spelling of 57424432812 in words is "fifty-seven billion, four hundred twenty-four million, four hundred thirty-two thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 1033 2066 3099 4132 6198 12396 4632497 9264994 13897491 18529988 27794982 55589964 4785369401 9570738802 14356108203 19141477604 28712216406 57424432812