Base | Representation |
---|---|
bin | 10111001101010010… |
… | …11110110101101100 |
3 | 1012011022212122210201 |
4 | 23212221132311230 |
5 | 201004122142432 |
6 | 5420203443244 |
7 | 620521404400 |
oct | 134651366554 |
9 | 35138778721 |
10 | 12459568492 |
11 | 5314113248 |
12 | 24b8826524 |
13 | 1237431847 |
14 | 862a8b100 |
15 | 4cdc9dee7 |
hex | 2e6a5ed6c |
12459568492 has 18 divisors (see below), whose sum is σ = 25364121972. Its totient is φ = 5339814984.
The previous prime is 12459568483. The next prime is 12459568507. The reversal of 12459568492 is 29486595421.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31784418 + ... + 31784809.
Almost surely, 212459568492 is an apocalyptic number.
It is an amenable number.
12459568492 is an abundant number, since it is smaller than the sum of its proper divisors (12904553480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12459568492 is a wasteful number, since it uses less digits than its factorization.
12459568492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63569245 (or 63569236 counting only the distinct ones).
The product of its digits is 6220800, while the sum is 55.
The spelling of 12459568492 in words is "twelve billion, four hundred fifty-nine million, five hundred sixty-eight thousand, four hundred ninety-two".
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