Base | Representation |
---|---|
bin | 1111001001001010… |
… | …11111010110000011 |
3 | 202222121000210201201 |
4 | 13210211133112003 |
5 | 113122240002014 |
6 | 3422422042031 |
7 | 405316601443 |
oct | 74445372603 |
9 | 22877023651 |
10 | 8130000259 |
11 | 34a219a587 |
12 | 16aa879317 |
13 | 9c745ba54 |
14 | 571a68123 |
15 | 328b28e74 |
hex | 1e495f583 |
8130000259 has 2 divisors, whose sum is σ = 8130000260. Its totient is φ = 8130000258.
The previous prime is 8130000257. The next prime is 8130000293. The reversal of 8130000259 is 9520000318.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 8130000259 - 21 = 8130000257 is a prime.
It is a super-2 number, since 2×81300002592 (a number of 21 digits) contains 22 as substring.
Together with 8130000257, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (8130000257) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4065000129 + 4065000130.
It is an arithmetic number, because the mean of its divisors is an integer number (4065000130).
Almost surely, 28130000259 is an apocalyptic number.
8130000259 is a deficient number, since it is larger than the sum of its proper divisors (1).
8130000259 is an equidigital number, since it uses as much as digits as its factorization.
8130000259 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 8130000259 is about 90166.5140670304. The cubic root of 8130000259 is about 2010.7751982140.
The spelling of 8130000259 in words is "eight billion, one hundred thirty million, two hundred fifty-nine", and thus it is an aban number.
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