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57120740286 = 2330373134713
BaseRepresentation
bin110101001100101010…
…010101001110111110
312110102211202020221120
4311030222111032332
51413440402142121
642124011411410
74061335165341
oct651452251676
9173384666846
1057120740286
1122252194685
12b0a1753b66
13550409b80c
142a9c31a458
151744aadbc6
hexd4ca953be

57120740286 has 16 divisors (see below), whose sum is σ = 114279133584. Its totient is φ = 19033971264.

The previous prime is 57120740279. The next prime is 57120740317. The reversal of 57120740286 is 68204702175.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549135 + ... + 1585578.

It is an arithmetic number, because the mean of its divisors is an integer number (7142445849).

Almost surely, 257120740286 is an apocalyptic number.

57120740286 is an abundant number, since it is smaller than the sum of its proper divisors (57158393298).

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

57120740286 is a wasteful number, since it uses less digits than its factorization.

57120740286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137755.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 57120740286 in words is "fifty-seven billion, one hundred twenty million, seven hundred forty thousand, two hundred eighty-six".

Divisors: 1 2 3 6 3037 6074 9111 18222 3134713 6269426 9404139 18808278 9520123381 19040246762 28560370143 57120740286