Base | Representation |
---|---|
bin | 10010111110100110… |
… | …11011110111001100 |
3 | 222022002010222011100 |
4 | 21133103123313030 |
5 | 131331322134342 |
6 | 4403010423100 |
7 | 510326631456 |
oct | 113723336714 |
9 | 28262128140 |
10 | 10188864972 |
11 | 4359392070 |
12 | 1b84291a90 |
13 | c64b763b0 |
14 | 6c92872d6 |
15 | 3e9767e4c |
hex | 25f4dbdcc |
10188864972 has 72 divisors (see below), whose sum is σ = 30257856720. Its totient is φ = 2850030720.
The previous prime is 10188864971. The next prime is 10188864997. The reversal of 10188864972 is 27946888101.
It is not an unprimeable number, because it can be changed into a prime (10188864971) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 984447 + ... + 994742.
It is an arithmetic number, because the mean of its divisors is an integer number (420248010).
Almost surely, 210188864972 is an apocalyptic number.
10188864972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10188864972 is an abundant number, since it is smaller than the sum of its proper divisors (20068991748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10188864972 is a wasteful number, since it uses less digits than its factorization.
10188864972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1979223 (or 1979218 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 54.
The spelling of 10188864972 in words is "ten billion, one hundred eighty-eight million, eight hundred sixty-four thousand, nine hundred seventy-two".
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