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12137036988 = 22331312912503
BaseRepresentation
bin10110100110110110…
…00111110010111100
31011022211222100202110
423103123013302330
5144324040140423
65324202454020
7606524053326
oct132333076274
934284870673
1012137036988
11516904a58a
122428804310
1311b56752bb
14831cd0616
154b07de193
hex2d36c7cbc

12137036988 has 48 divisors (see below), whose sum is σ = 28443597056. Its totient is φ = 4028019840.

The previous prime is 12137036971. The next prime is 12137037019. The reversal of 12137036988 is 88963073121.

It is a super-2 number, since 2×121370369882 (a number of 21 digits) contains 22 as substring.

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, 4847745 + ... + 4850247.

Almost surely, 212137036988 is an apocalyptic number.

It is an amenable number.

12137036988 is an abundant number, since it is smaller than the sum of its proper divisors (16306560068).

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

12137036988 is a wasteful number, since it uses less digits than its factorization.

12137036988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114 (or 4112 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 12137036988 in words is "twelve billion, one hundred thirty-seven million, thirty-six thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 313 626 939 1252 1291 1878 2503 2582 3756 3873 5006 5164 7509 7746 10012 15018 15492 30036 404083 783439 808166 1212249 1566878 1616332 2350317 2424498 3133756 3231373 4700634 4848996 6462746 9401268 9694119 12925492 19388238 38776476 1011419749 2022839498 3034259247 4045678996 6068518494 12137036988