Base | Representation |
---|---|
bin | 10110101001010001… |
… | …01110110111111111 |
3 | 1011101021021000001201 |
4 | 23110220232313333 |
5 | 144344242212033 |
6 | 5330210520331 |
7 | 610162020544 |
oct | 132450566777 |
9 | 34337230051 |
10 | 12157382143 |
11 | 5179586165 |
12 | 24335960a7 |
13 | 11b994985a |
14 | 8348a8bcb |
15 | 4b24ac47d |
hex | 2d4a2edff |
12157382143 has 2 divisors, whose sum is σ = 12157382144. Its totient is φ = 12157382142.
The previous prime is 12157382137. The next prime is 12157382179. The reversal of 12157382143 is 34128375121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12157382143 - 213 = 12157373951 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12157382183) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6078691071 + 6078691072.
It is an arithmetic number, because the mean of its divisors is an integer number (6078691072).
Almost surely, 212157382143 is an apocalyptic number.
12157382143 is a deficient number, since it is larger than the sum of its proper divisors (1).
12157382143 is an equidigital number, since it uses as much as digits as its factorization.
12157382143 is an evil number, because the sum of its binary digits is even.
The product of its digits is 40320, while the sum is 37.
The spelling of 12157382143 in words is "twelve billion, one hundred fifty-seven million, three hundred eighty-two thousand, one hundred forty-three".
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