Base | Representation |
---|---|
bin | 10111010011101011… |
… | …10010001101010100 |
3 | 1012022001122121210122 |
4 | 23221311302031110 |
5 | 201111330001304 |
6 | 5425355411112 |
7 | 622041544406 |
oct | 135165621524 |
9 | 35261577718 |
10 | 12513125204 |
11 | 5341373198 |
12 | 2512753a98 |
13 | 1245563ac8 |
14 | 869c2cb76 |
15 | 4d382c9be |
hex | 2e9d72354 |
12513125204 has 24 divisors (see below), whose sum is σ = 22661940000. Its totient is φ = 6038454240.
The previous prime is 12513125159. The next prime is 12513125239. The reversal of 12513125204 is 40252131521.
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, 297047 + ... + 336545.
It is an arithmetic number, because the mean of its divisors is an integer number (944247500).
Almost surely, 212513125204 is an apocalyptic number.
It is an amenable number.
12513125204 is a deficient number, since it is larger than the sum of its proper divisors (10148814796).
12513125204 is a wasteful number, since it uses less digits than its factorization.
12513125204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42263 (or 42261 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 26.
Adding to 12513125204 its reverse (40252131521), we get a palindrome (52765256725).
The spelling of 12513125204 in words is "twelve billion, five hundred thirteen million, one hundred twenty-five thousand, two hundred four".
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