Base | Representation |
---|---|
bin | 10001000000000… |
… | …01101010101001 |
3 | 100221100111110221 |
4 | 20200001222221 |
5 | 243002110121 |
6 | 22052410041 |
7 | 3351122545 |
oct | 1040015251 |
9 | 327314427 |
10 | 142613161 |
11 | 73557419 |
12 | 3b916921 |
13 | 237138b2 |
14 | 14d24a25 |
15 | c7c0b41 |
hex | 8801aa9 |
142613161 has 2 divisors, whose sum is σ = 142613162. Its totient is φ = 142613160.
The previous prime is 142613123. The next prime is 142613167. The reversal of 142613161 is 161316241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 135489600 + 7123561 = 11640^2 + 2669^2 .
It is a cyclic number.
It is not a de Polignac number, because 142613161 - 27 = 142613033 is a prime.
It is not a weakly prime, because it can be changed into another prime (142613167) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71306580 + 71306581.
It is an arithmetic number, because the mean of its divisors is an integer number (71306581).
Almost surely, 2142613161 is an apocalyptic number.
It is an amenable number.
142613161 is a deficient number, since it is larger than the sum of its proper divisors (1).
142613161 is an equidigital number, since it uses as much as digits as its factorization.
142613161 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 864, while the sum is 25.
The square root of 142613161 is about 11942.0752384165. The cubic root of 142613161 is about 522.4601875910.
The spelling of 142613161 in words is "one hundred forty-two million, six hundred thirteen thousand, one hundred sixty-one".
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