Base | Representation |
---|---|
bin | 10110101100001110… |
… | …11001101101011011 |
3 | 1011102222221211120102 |
4 | 23112013121231123 |
5 | 144422120333011 |
6 | 5332454450015 |
7 | 610612661354 |
oct | 132607315533 |
9 | 34388854512 |
10 | 12182199131 |
11 | 5191596573 |
12 | 243b96390b |
13 | 11c1b2866b |
14 | 837cc8d2b |
15 | 4b476073b |
hex | 2d61d9b5b |
12182199131 has 2 divisors, whose sum is σ = 12182199132. Its totient is φ = 12182199130.
The previous prime is 12182199103. The next prime is 12182199181. The reversal of 12182199131 is 13199128121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12182199131 - 230 = 11108457307 is a prime.
It is a super-2 number, since 2×121821991312 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12182199181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6091099565 + 6091099566.
It is an arithmetic number, because the mean of its divisors is an integer number (6091099566).
Almost surely, 212182199131 is an apocalyptic number.
12182199131 is a deficient number, since it is larger than the sum of its proper divisors (1).
12182199131 is an equidigital number, since it uses as much as digits as its factorization.
12182199131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 7776, while the sum is 38.
The spelling of 12182199131 in words is "twelve billion, one hundred eighty-two million, one hundred ninety-nine thousand, one hundred thirty-one".
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