Base | Representation |
---|---|
bin | 10110100110001010… |
… | …10001100111000110 |
3 | 1011022110012101211121 |
4 | 23103011101213012 |
5 | 144321103410042 |
6 | 5323440024154 |
7 | 606424301536 |
oct | 132305214706 |
9 | 34273171747 |
10 | 12131310022 |
11 | 5165898857 |
12 | 242690205a |
13 | 11b441b670 |
14 | 83123d4c6 |
15 | 4b005c367 |
hex | 2d31519c6 |
12131310022 has 16 divisors (see below), whose sum is σ = 19598685120. Its totient is φ = 5598508032.
The previous prime is 12131309999. The next prime is 12131310029. The reversal of 12131310022 is 22001313121.
It is a junction number, because it is equal to n+sod(n) for n = 12131309978 and 12131310005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12131310029) 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, 364678 + ... + 396550.
It is an arithmetic number, because the mean of its divisors is an integer number (1224917820).
Almost surely, 212131310022 is an apocalyptic number.
12131310022 is a deficient number, since it is larger than the sum of its proper divisors (7467375098).
12131310022 is a wasteful number, since it uses less digits than its factorization.
12131310022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46527.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12131310022 its reverse (22001313121), we get a palindrome (34132623143).
The spelling of 12131310022 in words is "twelve billion, one hundred thirty-one million, three hundred ten thousand, twenty-two".
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