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57270139922 = 21692192
BaseRepresentation
bin110101010101100100…
…001111110000010010
312110211020212112201102
4311111210033300102
51414242123434142
642150505504402
74065131104652
oct652544176022
9173736775642
1057270139922
1122319556856
12b1237a2102
13552901a378
142ab40ca362
151752c70532
hexd5590fc12

57270139922 has 6 divisors (see below), whose sum is σ = 85905717543. Its totient is φ = 28634900742.

The previous prime is 57270139907. The next prime is 57270139931. The reversal of 57270139922 is 22993107275.

It can be written as a sum of positive squares in only one way, i.e., 28635069961 + 28635069961 = 169219^2 + 169219^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=169219.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 253829 + ... + 423047.

Almost surely, 257270139922 is an apocalyptic number.

57270139922 is a deficient number, since it is larger than the sum of its proper divisors (28635577621).

57270139922 is an frugal number, since it uses more digits than its factorization.

57270139922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338440 (or 169221 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 57270139922 in words is "fifty-seven billion, two hundred seventy million, one hundred thirty-nine thousand, nine hundred twenty-two".

Divisors: 1 2 169219 338438 28635069961 57270139922