Base | Representation |
---|---|
bin | 10110100110101111… |
… | …01101100100110101 |
3 | 1011022210021221122121 |
4 | 23103113231210311 |
5 | 144323323040112 |
6 | 5324131355541 |
7 | 606513341365 |
oct | 132327554465 |
9 | 34283257577 |
10 | 12136143157 |
11 | 5168599a86 |
12 | 2428452bb1 |
13 | 11b54214c8 |
14 | 831b3a9a5 |
15 | 4b06b4407 |
hex | 2d35ed935 |
12136143157 has 2 divisors, whose sum is σ = 12136143158. Its totient is φ = 12136143156.
The previous prime is 12136143137. The next prime is 12136143169. The reversal of 12136143157 is 75134163121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11356951761 + 779191396 = 106569^2 + 27914^2 .
It is a cyclic number.
It is not a de Polignac number, because 12136143157 - 27 = 12136143029 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12136143137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6068071578 + 6068071579.
It is an arithmetic number, because the mean of its divisors is an integer number (6068071579).
Almost surely, 212136143157 is an apocalyptic number.
It is an amenable number.
12136143157 is a deficient number, since it is larger than the sum of its proper divisors (1).
12136143157 is an equidigital number, since it uses as much as digits as its factorization.
12136143157 is an evil number, because the sum of its binary digits is even.
The product of its digits is 15120, while the sum is 34.
The spelling of 12136143157 in words is "twelve billion, one hundred thirty-six million, one hundred forty-three thousand, one hundred fifty-seven".
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