Base | Representation |
---|---|
bin | 10110110100100000… |
… | …01111100110111000 |
3 | 1011121211121002012200 |
4 | 23122100033212320 |
5 | 200042404012122 |
6 | 5343414510200 |
7 | 612415046661 |
oct | 133220174670 |
9 | 34554532180 |
10 | 12251625912 |
11 | 52177a5979 |
12 | 245b065360 |
13 | 12033262b6 |
14 | 8431dc368 |
15 | 4ba8c65ac |
hex | 2da40f9b8 |
12251625912 has 48 divisors (see below), whose sum is σ = 33187752000. Its totient is φ = 4083104256.
The previous prime is 12251625899. The next prime is 12251625913. The reversal of 12251625912 is 21952615221.
12251625912 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 1 + 62 + 591 + 2 = 666.
12251625912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12251625913) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 468889 + ... + 494327.
It is an arithmetic number, because the mean of its divisors is an integer number (691411500).
Almost surely, 212251625912 is an apocalyptic number.
12251625912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12251625912 is an abundant number, since it is smaller than the sum of its proper divisors (20936126088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12251625912 is a wasteful number, since it uses less digits than its factorization.
12251625912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32140 (or 32133 counting only the distinct ones).
The product of its digits is 21600, while the sum is 36.
The spelling of 12251625912 in words is "twelve billion, two hundred fifty-one million, six hundred twenty-five thousand, nine hundred twelve".
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