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57613426948 = 22711187056581
BaseRepresentation
bin110101101010000001…
…110010000100000100
312111201011211022222201
4311222001302010010
51420443014130243
642244531404244
74106500022530
oct655201620404
9174634738881
1057613426948
1122485306440
12b1ba753684
135582192b9c
142b0792abc0
151772e8004d
hexd6a072104

57613426948 has 24 divisors (see below), whose sum is σ = 125702023104. Its totient is φ = 22446789600.

The previous prime is 57613426883. The next prime is 57613426957. The reversal of 57613426948 is 84962431675.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93527983 + ... + 93528598.

It is an arithmetic number, because the mean of its divisors is an integer number (5237584296).

Almost surely, 257613426948 is an apocalyptic number.

It is an amenable number.

57613426948 is an abundant number, since it is smaller than the sum of its proper divisors (68088596156).

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

57613426948 is a wasteful number, since it uses less digits than its factorization.

57613426948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187056603 (or 187056601 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 57613426948 in words is "fifty-seven billion, six hundred thirteen million, four hundred twenty-six thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 187056581 374113162 748226324 1309396067 2057622391 2618792134 4115244782 5237584268 8230489564 14403356737 28806713474 57613426948