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57016969016 = 2371018160161
BaseRepresentation
bin110101000110011110…
…011110011100111000
312110011121111010112012
4311012132132130320
51413232321002031
642105423305052
74055635145240
oct650636363470
9173147433465
1057016969016
11221a96577a7
12b072a4b188
1354b87375b7
142a8c626b20
15173a911b2b
hexd4679e738

57016969016 has 16 divisors (see below), whose sum is σ = 122179219440. Its totient is φ = 24435843840.

The previous prime is 57016969013. The next prime is 57016969039. The reversal of 57016969016 is 61096961075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57016969013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509080025 + ... + 509080136.

It is an arithmetic number, because the mean of its divisors is an integer number (7636201215).

Almost surely, 257016969016 is an apocalyptic number.

57016969016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57016969016 is an abundant number, since it is smaller than the sum of its proper divisors (65162250424).

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

57016969016 is a wasteful number, since it uses less digits than its factorization.

57016969016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018160174 (or 1018160170 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 57016969016 in words is "fifty-seven billion, sixteen million, nine hundred sixty-nine thousand, sixteen".

Divisors: 1 2 4 7 8 14 28 56 1018160161 2036320322 4072640644 7127121127 8145281288 14254242254 28508484508 57016969016