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57083012380 = 2252854150619
BaseRepresentation
bin110101001010011010…
…011010010100011100
312110100012202110222201
4311022122122110130
51413401222344010
642120143021244
74060366412422
oct651232322434
9173305673881
1057083012380
1122232966099
12b090b9a824
1354c931c204
142a972d9112
15174160a23a
hexd4a69a51c

57083012380 has 12 divisors (see below), whose sum is σ = 119874326040. Its totient is φ = 22833204944.

The previous prime is 57083012347. The next prime is 57083012401. The reversal of 57083012380 is 8321038075.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1427075290 + ... + 1427075329.

It is an arithmetic number, because the mean of its divisors is an integer number (9989527170).

Almost surely, 257083012380 is an apocalyptic number.

It is an amenable number.

57083012380 is an abundant number, since it is smaller than the sum of its proper divisors (62791313660).

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

57083012380 is a wasteful number, since it uses less digits than its factorization.

57083012380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854150628 (or 2854150626 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 57083012380 in words is "fifty-seven billion, eighty-three million, twelve thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 2854150619 5708301238 11416602476 14270753095 28541506190 57083012380