Base | Representation |
---|---|
bin | 10110100110001001… |
… | …00110010011010011 |
3 | 1011022102212101111102 |
4 | 23103010212103103 |
5 | 144321032221002 |
6 | 5323432135015 |
7 | 606422632415 |
oct | 132304462323 |
9 | 34272771442 |
10 | 12131132627 |
11 | 5165787549 |
12 | 242683746b |
13 | 11b43889b3 |
14 | 8311d49b5 |
15 | 4b0024a02 |
hex | 2d31264d3 |
12131132627 has 16 divisors (see below), whose sum is σ = 13023621120. Its totient is φ = 11273815872.
The previous prime is 12131132591. The next prime is 12131132641. The reversal of 12131132627 is 72623113121.
It is a cyclic number.
It is not a de Polignac number, because 12131132627 - 28 = 12131132371 is a prime.
It is a super-2 number, since 2×121311326272 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12131132627.
It is not an unprimeable number, because it can be changed into a prime (12131132227) 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, 58574 + ... + 166412.
It is an arithmetic number, because the mean of its divisors is an integer number (813976320).
Almost surely, 212131132627 is an apocalyptic number.
12131132627 is a deficient number, since it is larger than the sum of its proper divisors (892488493).
12131132627 is a wasteful number, since it uses less digits than its factorization.
12131132627 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108002.
The product of its digits is 3024, while the sum is 29.
Adding to 12131132627 its reverse (72623113121), we get a palindrome (84754245748).
The spelling of 12131132627 in words is "twelve billion, one hundred thirty-one million, one hundred thirty-two thousand, six hundred twenty-seven".
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