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57319842769 = 717481679351
BaseRepresentation
bin110101011000100001…
…110110001111010001
312110221201101201012121
4311120201312033101
51414342334432034
642155443054241
74066303424140
oct653041661721
9173851351177
1057319842769
1122344614292
12b138371381
135536400437
142aba947757
1517572dc1b4
hexd588763d1

57319842769 has 8 divisors (see below), whose sum is σ = 69361826688. Its totient is φ = 46241217600.

The previous prime is 57319842763. The next prime is 57319842773. The reversal of 57319842769 is 96724891375.

57319842769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57319842769 - 25 = 57319842737 is a prime.

It is a super-2 number, since 2×573198427692 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57319842763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240839557 + ... + 240839794.

It is an arithmetic number, because the mean of its divisors is an integer number (8670228336).

Almost surely, 257319842769 is an apocalyptic number.

It is an amenable number.

57319842769 is a deficient number, since it is larger than the sum of its proper divisors (12041983919).

57319842769 is a wasteful number, since it uses less digits than its factorization.

57319842769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481679375.

The product of its digits is 22861440, while the sum is 61.

The spelling of 57319842769 in words is "fifty-seven billion, three hundred nineteen million, eight hundred forty-two thousand, seven hundred sixty-nine".

Divisors: 1 7 17 119 481679351 3371755457 8188548967 57319842769