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57083155689 = 3723179158563
BaseRepresentation
bin110101001010011010…
…111101010011101001
312110100020000202120110
4311022122331103221
51413401241440224
642120150044533
74060400550300
oct651232752351
9173306022513
1057083155689
1122232a5382a
12b091049749
1354c936c501
142a97335437
151741637929
hexd4a6bd4e9

57083155689 has 48 divisors (see below), whose sum is σ = 92550635520. Its totient is φ = 31166946720.

The previous prime is 57083155643. The next prime is 57083155693. The reversal of 57083155689 is 98655138075.

It is a happy number.

It is not a de Polignac number, because 57083155689 - 27 = 57083155561 is a prime.

It is a super-2 number, since 2×570831556892 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57083155699) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280722 + ... + 439284.

It is an arithmetic number, because the mean of its divisors is an integer number (1928138240).

Almost surely, 257083155689 is an apocalyptic number.

It is an amenable number.

57083155689 is a deficient number, since it is larger than the sum of its proper divisors (35467479831).

57083155689 is a wasteful number, since it uses less digits than its factorization.

57083155689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158690 (or 158683 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 57.

The spelling of 57083155689 in words is "fifty-seven billion, eighty-three million, one hundred fifty-five thousand, six hundred eighty-nine".

Divisors: 1 3 7 21 31 49 79 93 147 217 237 553 651 1519 1659 2449 3871 4557 7347 11613 17143 51429 120001 158563 360003 475689 1109941 3329823 4915453 7769587 12526477 14746359 23308761 34408171 37579431 87685339 103224513 240857197 263056017 388320787 613797373 722571591 1164962361 1841392119 2718245509 8154736527 19027718563 57083155689