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388159264885 = 5740512737661
BaseRepresentation
bin1011010011000000001…
…10000101100001110101
31101002220111010200222211
411221200012011201311
522324422232434020
6454152400053421
740020643212250
oct5514006054165
91332814120884
10388159264885
1113a6878708a7
1263289904271
132a7ac49a7c2
1414b037a2097
15a16c13785a
hex5a60185875

388159264885 has 16 divisors (see below), whose sum is σ = 532464308352. Its totient is φ = 266100552000.

The previous prime is 388159264877. The next prime is 388159264903. The reversal of 388159264885 is 588462951883.

It is not a de Polignac number, because 388159264885 - 23 = 388159264877 is a prime.

It is a super-2 number, since 2×3881592648852 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 388159264885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227046 + ... + 1510615.

It is an arithmetic number, because the mean of its divisors is an integer number (33279019272).

Almost surely, 2388159264885 is an apocalyptic number.

388159264885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

388159264885 is a deficient number, since it is larger than the sum of its proper divisors (144305043467).

388159264885 is a wasteful number, since it uses less digits than its factorization.

388159264885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741724.

The product of its digits is 132710400, while the sum is 67.

The spelling of 388159264885 in words is "three hundred eighty-eight billion, one hundred fifty-nine million, two hundred sixty-four thousand, eight hundred eighty-five".

Divisors: 1 5 7 35 4051 20255 28357 141785 2737661 13688305 19163627 95818135 11090264711 55451323555 77631852977 388159264885