Base | Representation |
---|---|
bin | 10110101000100110… |
… | …11011111001001100 |
3 | 1011100212202100221102 |
4 | 23110103123321030 |
5 | 144341330034442 |
6 | 5325451122232 |
7 | 610063406336 |
oct | 132423337114 |
9 | 34325670842 |
10 | 12151799372 |
11 | 51764127a9 |
12 | 2431743378 |
13 | 11b874373b |
14 | 833c54456 |
15 | 4b1c58232 |
hex | 2d44dbe4c |
12151799372 has 24 divisors (see below), whose sum is σ = 22527494640. Its totient is φ = 5719446720.
The previous prime is 12151799371. The next prime is 12151799377. The reversal of 12151799372 is 27399715121.
It is not an unprimeable number, because it can be changed into a prime (12151799371) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497279 + ... + 521142.
It is an arithmetic number, because the mean of its divisors is an integer number (938645610).
Almost surely, 212151799372 is an apocalyptic number.
It is an amenable number.
12151799372 is a deficient number, since it is larger than the sum of its proper divisors (10375695268).
12151799372 is a wasteful number, since it uses less digits than its factorization.
12151799372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1018601 (or 1018599 counting only the distinct ones).
The product of its digits is 238140, while the sum is 47.
The spelling of 12151799372 in words is "twelve billion, one hundred fifty-one million, seven hundred ninety-nine thousand, three hundred seventy-two".
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