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57458856064 = 27448897313
BaseRepresentation
bin110101100000110100…
…001001000010000000
312111022101222022121011
4311200310021002000
51420133431343224
642221330410304
74102612134541
oct654064110200
9174271868534
1057458856064
1122406032005
12b176a30994
13555915361c
142ad11b24c8
1517645eb394
hexd60d09080

57458856064 has 16 divisors (see below), whose sum is σ = 114468815070. Its totient is φ = 28729427968.

The previous prime is 57458856047. The next prime is 57458856113. The reversal of 57458856064 is 46065885475.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 55881177664 + 1577678400 = 236392^2 + 39720^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224448529 + ... + 224448784.

Almost surely, 257458856064 is an apocalyptic number.

It is an amenable number.

57458856064 is a deficient number, since it is larger than the sum of its proper divisors (57009959006).

57458856064 is an equidigital number, since it uses as much as digits as its factorization.

57458856064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448897327 (or 448897315 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 58.

The spelling of 57458856064 in words is "fifty-seven billion, four hundred fifty-eight million, eight hundred fifty-six thousand, sixty-four".

Divisors: 1 2 4 8 16 32 64 128 448897313 897794626 1795589252 3591178504 7182357008 14364714016 28729428032 57458856064