Base | Representation |
---|---|
bin | 10110100101011101… |
… | …11100011110111000 |
3 | 1011022001012000001112 |
4 | 23102232330132320 |
5 | 144313104100222 |
6 | 5323110335452 |
7 | 606323451404 |
oct | 132256743670 |
9 | 34261160045 |
10 | 12125456312 |
11 | 516255a882 |
12 | 242495a588 |
13 | 11b314c128 |
14 | 830558104 |
15 | 4ae7a2be2 |
hex | 2d2bbc7b8 |
12125456312 has 32 divisors (see below), whose sum is σ = 24849141120. Its totient is φ = 5522027520.
The previous prime is 12125456303. The next prime is 12125456381. The reversal of 12125456312 is 21365452121.
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, 1433813 + ... + 1442244.
It is an arithmetic number, because the mean of its divisors is an integer number (776535660).
Almost surely, 212125456312 is an apocalyptic number.
It is an amenable number.
12125456312 is an abundant number, since it is smaller than the sum of its proper divisors (12723684808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12125456312 is a wasteful number, since it uses less digits than its factorization.
12125456312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2876111 (or 2876107 counting only the distinct ones).
The product of its digits is 14400, while the sum is 32.
The spelling of 12125456312 in words is "twelve billion, one hundred twenty-five million, four hundred fifty-six thousand, three hundred twelve".
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