Base | Representation |
---|---|
bin | 100001100100010111… |
… | …0100001010011101101 |
3 | 20220001212121212101202 |
4 | 1003020232201103231 |
5 | 2140113300134424 |
6 | 53041045015245 |
7 | 5131246240001 |
oct | 1031056412355 |
9 | 226055555352 |
10 | 72087114989 |
11 | 2863232a49a |
12 | 11b799b4525 |
13 | 6a4a973736 |
14 | 36bbcaa701 |
15 | 1d1d9802ae |
hex | 10c8ba14ed |
72087114989 has 2 divisors, whose sum is σ = 72087114990. Its totient is φ = 72087114988.
The previous prime is 72087114971. The next prime is 72087115003. The reversal of 72087114989 is 98941178027.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 41435859364 + 30651255625 = 203558^2 + 175075^2 .
It is a cyclic number.
It is not a de Polignac number, because 72087114989 - 216 = 72087049453 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (72084114989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36043557494 + 36043557495.
It is an arithmetic number, because the mean of its divisors is an integer number (36043557495).
Almost surely, 272087114989 is an apocalyptic number.
It is an amenable number.
72087114989 is a deficient number, since it is larger than the sum of its proper divisors (1).
72087114989 is an equidigital number, since it uses as much as digits as its factorization.
72087114989 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2032128, while the sum is 56.
The spelling of 72087114989 in words is "seventy-two billion, eighty-seven million, one hundred fourteen thousand, nine hundred eighty-nine".
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