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57421088936 = 237177636117
BaseRepresentation
bin110101011110100100…
…000100100010101000
312111012202220112211122
4311132210010202220
51420044244321221
642213501114412
74101643126361
oct653644044250
9174182815748
1057421088936
1122396787002
12b166258a08
13555138c203
142aca180b68
15176113aeab
hexd5e9048a8

57421088936 has 8 divisors (see below), whose sum is σ = 107664541770. Its totient is φ = 28710544464.

The previous prime is 57421088917. The next prime is 57421088939. The reversal of 57421088936 is 63988012475.

It can be written as a sum of positive squares in only one way, i.e., 46997904100 + 10423184836 = 216790^2 + 102094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×574210889362 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57421088939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3588818051 + ... + 3588818066.

It is a 1-persistent number, because it is pandigital, but 2⋅57421088936 = 114842177872 is not.

Almost surely, 257421088936 is an apocalyptic number.

It is an amenable number.

57421088936 is a deficient number, since it is larger than the sum of its proper divisors (50243452834).

57421088936 is a wasteful number, since it uses less digits than its factorization.

57421088936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177636123 (or 7177636119 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 57421088936 in words is "fifty-seven billion, four hundred twenty-one million, eighty-eight thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 7177636117 14355272234 28710544468 57421088936