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12023437085 = 51117116311057
BaseRepresentation
bin10110011001010011…
…10001011100011101
31011000221012212222122
423030221301130131
5144110444441320
65305023552325
7603644346302
oct131451613435
934027185878
1012023437085
11510aa0a270
1223b675b6a5
131197c7c51a
14820b9d0a9
154a584ed25
hex2cca7171d

12023437085 has 32 divisors (see below), whose sum is σ = 16681479552. Its totient is φ = 8222126080.

The previous prime is 12023437073. The next prime is 12023437109. The reversal of 12023437085 is 58073432021.

It is not a de Polignac number, because 12023437085 - 214 = 12023420701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1081877 + ... + 1092933.

It is an arithmetic number, because the mean of its divisors is an integer number (521296236).

Almost surely, 212023437085 is an apocalyptic number.

It is an amenable number.

12023437085 is a deficient number, since it is larger than the sum of its proper divisors (4658042467).

12023437085 is a wasteful number, since it uses less digits than its factorization.

12023437085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12253.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 12023437085 in words is "twelve billion, twenty-three million, four hundred thirty-seven thousand, eighty-five".

Divisors: 1 5 11 17 55 85 187 935 1163 5815 11057 12793 19771 55285 63965 98855 121627 187969 217481 608135 939845 1087405 2067659 10338295 12859291 64296455 141452201 218607947 707261005 1093039735 2404687417 12023437085