Base | Representation |
---|---|
bin | 10110111100000100… |
… | …11110100011000000 |
3 | 1011210021002012220000 |
4 | 23132002132203000 |
5 | 200210133012302 |
6 | 5354003520000 |
7 | 614115562203 |
oct | 133602364300 |
9 | 34707065800 |
10 | 12315125952 |
11 | 524a627448 |
12 | 2478389000 |
13 | 121352a39c |
14 | 84b80b93a |
15 | 4c126b31c |
hex | 2de09e8c0 |
12315125952 has 70 divisors (see below), whose sum is σ = 36505906668. Its totient is φ = 4105040256.
The previous prime is 12315125947. The next prime is 12315125959. The reversal of 12315125952 is 25952151321.
12315125952 is a `hidden beast` number, since 12 + 3 + 1 + 51 + 2 + 595 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (12315125959) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1182618 + ... + 1192985.
Almost surely, 212315125952 is an apocalyptic number.
12315125952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12315125952 is an abundant number, since it is smaller than the sum of its proper divisors (24190780716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12315125952 is an equidigital number, since it uses as much as digits as its factorization.
12315125952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2375627 (or 2375608 counting only the distinct ones).
The product of its digits is 27000, while the sum is 36.
The spelling of 12315125952 in words is "twelve billion, three hundred fifteen million, one hundred twenty-five thousand, nine hundred fifty-two".
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