Base | Representation |
---|---|
bin | 10111010101110101… |
… | …10111000101011111 |
3 | 1012100022201121012011 |
4 | 23222322313011133 |
5 | 201130443424434 |
6 | 5431243452051 |
7 | 622351503226 |
oct | 135272670537 |
9 | 35308647164 |
10 | 12531233119 |
11 | 5350610a09 |
12 | 2518827027 |
13 | 1249233c52 |
14 | 86c3c3cbd |
15 | 4d5207e64 |
hex | 2eaeb715f |
12531233119 has 2 divisors, whose sum is σ = 12531233120. Its totient is φ = 12531233118.
The previous prime is 12531233081. The next prime is 12531233147. The reversal of 12531233119 is 91133213521.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12531233119 - 219 = 12530708831 is a prime.
It is a super-2 number, since 2×125312331192 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12531233159) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265616559 + 6265616560.
It is an arithmetic number, because the mean of its divisors is an integer number (6265616560).
Almost surely, 212531233119 is an apocalyptic number.
12531233119 is a deficient number, since it is larger than the sum of its proper divisors (1).
12531233119 is an equidigital number, since it uses as much as digits as its factorization.
12531233119 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4860, while the sum is 31.
The spelling of 12531233119 in words is "twelve billion, five hundred thirty-one million, two hundred thirty-three thousand, one hundred nineteen".
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