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57390828280 = 2351434770707
BaseRepresentation
bin110101011100110000…
…101000101011111000
312111010122222011000121
4311130300220223320
51420014023001110
642210500343024
74101124664032
oct653460505370
9174118864017
1057390828280
11223806987a5
12b1580a4a74
1355480256b6
142ac6144c52
15175d65ecda
hexd5cc28af8

57390828280 has 16 divisors (see below), whose sum is σ = 129129363720. Its totient is φ = 22956331296.

The previous prime is 57390828239. The next prime is 57390828367. The reversal of 57390828280 is 8282809375.

57390828280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717385314 + ... + 717385393.

Almost surely, 257390828280 is an apocalyptic number.

It is an amenable number.

57390828280 is an abundant number, since it is smaller than the sum of its proper divisors (71738535440).

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

57390828280 is a wasteful number, since it uses less digits than its factorization.

57390828280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434770718 (or 1434770714 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 57390828280 in words is "fifty-seven billion, three hundred ninety million, eight hundred twenty-eight thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1434770707 2869541414 5739082828 7173853535 11478165656 14347707070 28695414140 57390828280