Base | Representation |
---|---|
bin | 10111010101110000… |
… | …01100111011011000 |
3 | 1012100021102012010120 |
4 | 23222320030323120 |
5 | 201130304124102 |
6 | 5431220513240 |
7 | 622342541241 |
oct | 135270147330 |
9 | 35307365116 |
10 | 12530536152 |
11 | 5350185302 |
12 | 251854b820 |
13 | 124904b944 |
14 | 86c281cc8 |
15 | 4d511b6bc |
hex | 2eae0ced8 |
12530536152 has 32 divisors (see below), whose sum is σ = 31339662000. Its totient is φ = 4175069184.
The previous prime is 12530536147. The next prime is 12530536163. The reversal of 12530536152 is 25163503521.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52777 + ... + 166872.
Almost surely, 212530536152 is an apocalyptic number.
12530536152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12530536152 is an abundant number, since it is smaller than the sum of its proper divisors (18809125848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12530536152 is a wasteful number, since it uses less digits than its factorization.
12530536152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222035 (or 222031 counting only the distinct ones).
The product of its (nonzero) digits is 27000, while the sum is 33.
The spelling of 12530536152 in words is "twelve billion, five hundred thirty million, five hundred thirty-six thousand, one hundred fifty-two".
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