Base | Representation |
---|---|
bin | 10110111011110000… |
… | …11101111101101010 |
3 | 1011210002010220200010 |
4 | 23131320131331222 |
5 | 200204000031442 |
6 | 5353431352350 |
7 | 614054353434 |
oct | 133570357552 |
9 | 34702126603 |
10 | 12312502122 |
11 | 52490a5098 |
12 | 24775226b6 |
13 | 1212b1c01b |
14 | 84b327654 |
15 | 4c0dedb9c |
hex | 2dde1df6a |
12312502122 has 32 divisors (see below), whose sum is σ = 24766414848. Its totient is φ = 4080645936.
The previous prime is 12312502079. The next prime is 12312502123. The reversal of 12312502122 is 22120521321.
It is not an unprimeable number, because it can be changed into a prime (12312502123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149363 + ... + 1160025.
It is an arithmetic number, because the mean of its divisors is an integer number (773950464).
Almost surely, 212312502122 is an apocalyptic number.
12312502122 is an abundant number, since it is smaller than the sum of its proper divisors (12453912726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12312502122 is a wasteful number, since it uses less digits than its factorization.
12312502122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11754.
The product of its (nonzero) digits is 480, while the sum is 21.
The spelling of 12312502122 in words is "twelve billion, three hundred twelve million, five hundred two thousand, one hundred twenty-two".
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