Base | Representation |
---|---|
bin | 10110101100111110… |
… | …01000001110001010 |
3 | 1011110102122211120020 |
4 | 23112133020032022 |
5 | 144430213401304 |
6 | 5333240041310 |
7 | 611016565065 |
oct | 132637101612 |
9 | 34412584506 |
10 | 12188418954 |
11 | 5195054618 |
12 | 2441a63236 |
13 | 11c31c572a |
14 | 838a678dc |
15 | 4b508d5d9 |
hex | 2d67c838a |
12188418954 has 32 divisors (see below), whose sum is σ = 24531647040. Its totient is φ = 4037040000.
The previous prime is 12188418953. The next prime is 12188418971. The reversal of 12188418954 is 45981488121.
12188418954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 12188418897 and 12188418906.
It is not an unprimeable number, because it can be changed into a prime (12188418953) 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 15 ways as a sum of consecutive naturals, for example, 1737454 + ... + 1744454.
It is an arithmetic number, because the mean of its divisors is an integer number (766613970).
Almost surely, 212188418954 is an apocalyptic number.
12188418954 is an abundant number, since it is smaller than the sum of its proper divisors (12343228086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12188418954 is a wasteful number, since it uses less digits than its factorization.
12188418954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8806.
The product of its digits is 737280, while the sum is 51.
The spelling of 12188418954 in words is "twelve billion, one hundred eighty-eight million, four hundred eighteen thousand, nine hundred fifty-four".
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