Base | Representation |
---|---|
bin | 10111001000101100… |
… | …01010001001011111 |
3 | 1012001122012120020102 |
4 | 23210112022021133 |
5 | 200414230323300 |
6 | 5412304011315 |
7 | 616542215030 |
oct | 134426121137 |
9 | 35048176212 |
10 | 12420948575 |
11 | 52a4335562 |
12 | 24a7900b3b |
13 | 122c42c219 |
14 | 85b8b6a87 |
15 | 4ca6c10d5 |
hex | 2e458a25f |
12420948575 has 24 divisors (see below), whose sum is σ = 17607123072. Its totient is φ = 8514868320.
The previous prime is 12420948539. The next prime is 12420948599. The reversal of 12420948575 is 57584902421.
12420948575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12420948575 - 222 = 12416754271 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 830312 + ... + 845138.
It is an arithmetic number, because the mean of its divisors is an integer number (733630128).
Almost surely, 212420948575 is an apocalyptic number.
12420948575 is a deficient number, since it is larger than the sum of its proper divisors (5186174497).
12420948575 is a wasteful number, since it uses less digits than its factorization.
12420948575 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19631 (or 19626 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 47.
The spelling of 12420948575 in words is "twelve billion, four hundred twenty million, nine hundred forty-eight thousand, five hundred seventy-five".
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