Base | Representation |
---|---|
bin | 10111100001110010… |
… | …01010111110101101 |
3 | 1012121022022022212022 |
4 | 23300321022332231 |
5 | 201332123003423 |
6 | 5445223515525 |
7 | 625006404242 |
oct | 136071127655 |
9 | 35538268768 |
10 | 12631453613 |
11 | 53a2143069 |
12 | 25462b8ba5 |
13 | 1263c23c0c |
14 | 87b8315c9 |
15 | 4dde02dc8 |
hex | 2f0e4afad |
12631453613 has 8 divisors (see below), whose sum is σ = 12729830400. Its totient is φ = 12533184288.
The previous prime is 12631453609. The next prime is 12631453621. The reversal of 12631453613 is 31635413621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12631453613 - 22 = 12631453609 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12631453633) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217748 + ... + 269586.
It is an arithmetic number, because the mean of its divisors is an integer number (1591228800).
Almost surely, 212631453613 is an apocalyptic number.
It is an amenable number.
12631453613 is a deficient number, since it is larger than the sum of its proper divisors (98376787).
12631453613 is a wasteful number, since it uses less digits than its factorization.
12631453613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53731.
The product of its digits is 38880, while the sum is 35.
The spelling of 12631453613 in words is "twelve billion, six hundred thirty-one million, four hundred fifty-three thousand, six hundred thirteen".
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