Base | Representation |
---|---|
bin | 10110101000001100… |
… | …11011101001000100 |
3 | 1011100122100011210201 |
4 | 23110012123221010 |
5 | 144334441443333 |
6 | 5325250100244 |
7 | 610022421004 |
oct | 132406335104 |
9 | 34318304721 |
10 | 12148390468 |
11 | 51744a4625 |
12 | 243057a684 |
13 | 11b7b1bc36 |
14 | 833608004 |
15 | 4b17d317d |
hex | 2d419ba44 |
12148390468 has 48 divisors (see below), whose sum is σ = 23752612800. Its totient is φ = 5402833920.
The previous prime is 12148390459. The next prime is 12148390469. The reversal of 12148390468 is 86409384121.
It is not an unprimeable number, because it can be changed into a prime (12148390469) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530128 + ... + 552568.
It is an arithmetic number, because the mean of its divisors is an integer number (494846100).
Almost surely, 212148390468 is an apocalyptic number.
It is an amenable number.
12148390468 is a deficient number, since it is larger than the sum of its proper divisors (11604222332).
12148390468 is a wasteful number, since it uses less digits than its factorization.
12148390468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22900 (or 22898 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 46.
The spelling of 12148390468 in words is "twelve billion, one hundred forty-eight million, three hundred ninety thousand, four hundred sixty-eight".
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