Base | Representation |
---|---|
bin | 10110100110110110… |
… | …00111110010111100 |
3 | 1011022211222100202110 |
4 | 23103123013302330 |
5 | 144324040140423 |
6 | 5324202454020 |
7 | 606524053326 |
oct | 132333076274 |
9 | 34284870673 |
10 | 12137036988 |
11 | 516904a58a |
12 | 2428804310 |
13 | 11b56752bb |
14 | 831cd0616 |
15 | 4b07de193 |
hex | 2d36c7cbc |
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".
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