Base | Representation |
---|---|
bin | 10110111011110101… |
… | …11010110001100110 |
3 | 1011210010100112202000 |
4 | 23131322322301212 |
5 | 200204131110142 |
6 | 5353453230130 |
7 | 614063000145 |
oct | 133572726146 |
9 | 34703315660 |
10 | 12313144422 |
11 | 52494a3717 |
12 | 2477792346 |
13 | 1212cb5497 |
14 | 84b45375c |
15 | 4c0ec914c |
hex | 2ddebac66 |
12313144422 has 32 divisors (see below), whose sum is σ = 27411212160. Its totient is φ = 4097081160.
The previous prime is 12313144381. The next prime is 12313144433. The reversal of 12313144422 is 22444131321.
12313144422 is a `hidden beast` number, since 1 + 231 + 3 + 1 + 4 + 4 + 422 = 666.
It is a super-2 number, since 2×123131444222 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172104 + ... + 232907.
It is an arithmetic number, because the mean of its divisors is an integer number (856600380).
Almost surely, 212313144422 is an apocalyptic number.
12313144422 is an abundant number, since it is smaller than the sum of its proper divisors (15098067738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12313144422 is a wasteful number, since it uses less digits than its factorization.
12313144422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 405585 (or 405579 counting only the distinct ones).
The product of its digits is 4608, while the sum is 27.
Adding to 12313144422 its reverse (22444131321), we get a palindrome (34757275743).
The spelling of 12313144422 in words is "twelve billion, three hundred thirteen million, one hundred forty-four thousand, four hundred twenty-two".
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