Base | Representation |
---|---|
bin | 1111001001010010… |
… | …01110100000010011 |
3 | 202222122212120111012 |
4 | 13210221032200103 |
5 | 113123012323414 |
6 | 3422455041135 |
7 | 405331121432 |
oct | 74451164023 |
9 | 22878776435 |
10 | 8130979859 |
11 | 34a27a9572 |
12 | 16ab0701ab |
13 | 9c77128b2 |
14 | 571c41119 |
15 | 328c6e33e |
hex | 1e4a4e813 |
8130979859 has 2 divisors, whose sum is σ = 8130979860. Its totient is φ = 8130979858.
The previous prime is 8130979847. The next prime is 8130979873. The reversal of 8130979859 is 9589790318.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 8130979859 - 220 = 8129931283 is a prime.
It is a super-2 number, since 2×81309798592 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 8130979798 and 8130979807.
It is not a weakly prime, because it can be changed into another prime (8130979819) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4065489929 + 4065489930.
It is an arithmetic number, because the mean of its divisors is an integer number (4065489930).
Almost surely, 28130979859 is an apocalyptic number.
8130979859 is a deficient number, since it is larger than the sum of its proper divisors (1).
8130979859 is an equidigital number, since it uses as much as digits as its factorization.
8130979859 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4898880, while the sum is 59.
The square root of 8130979859 is about 90171.9460752622. The cubic root of 8130979859 is about 2010.8559557463.
The spelling of 8130979859 in words is "eight billion, one hundred thirty million, nine hundred seventy-nine thousand, eight hundred fifty-nine".
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