Base | Representation |
---|---|
bin | 10110111011110101… |
… | …10000101100100010 |
3 | 1011210010021110002222 |
4 | 23131322300230202 |
5 | 200204123300023 |
6 | 5353452311042 |
7 | 614062435610 |
oct | 133572605442 |
9 | 34703243088 |
10 | 12313103138 |
11 | 52494756a6 |
12 | 2477772482 |
13 | 1212c9c75b |
14 | 84b4426b0 |
15 | 4c0ebbcc8 |
hex | 2ddeb0b22 |
12313103138 has 8 divisors (see below), whose sum is σ = 21108176832. Its totient is φ = 5277044196.
The previous prime is 12313103137. The next prime is 12313103147. The reversal of 12313103138 is 83130131321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×123131031382 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12313103137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439753670 + ... + 439753697.
It is an arithmetic number, because the mean of its divisors is an integer number (2638522104).
Almost surely, 212313103138 is an apocalyptic number.
12313103138 is a deficient number, since it is larger than the sum of its proper divisors (8795073694).
12313103138 is an equidigital number, since it uses as much as digits as its factorization.
12313103138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 879507376.
The product of its (nonzero) digits is 1296, while the sum is 26.
Adding to 12313103138 its reverse (83130131321), we get a palindrome (95443234459).
The spelling of 12313103138 in words is "twelve billion, three hundred thirteen million, one hundred three thousand, one hundred thirty-eight".
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