Base | Representation |
---|---|
bin | 10011101011011101… |
… | …000011111010100111 |
3 | 2000112121001222111102 |
4 | 103223131003322213 |
5 | 321233303230114 |
6 | 13412420030315 |
7 | 1345424111522 |
oct | 235335037247 |
9 | 60477058442 |
10 | 21130133159 |
11 | 8a63455873 |
12 | 411853239b |
13 | 1cb9879095 |
14 | 1046429bb9 |
15 | 83a0a52de |
hex | 4eb743ea7 |
21130133159 has 2 divisors, whose sum is σ = 21130133160. Its totient is φ = 21130133158.
The previous prime is 21130133029. The next prime is 21130133173. The reversal of 21130133159 is 95133103112.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 21130133159 - 220 = 21129084583 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (21130139159) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10565066579 + 10565066580.
It is an arithmetic number, because the mean of its divisors is an integer number (10565066580).
Almost surely, 221130133159 is an apocalyptic number.
21130133159 is a deficient number, since it is larger than the sum of its proper divisors (1).
21130133159 is an equidigital number, since it uses as much as digits as its factorization.
21130133159 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2430, while the sum is 29.
The spelling of 21130133159 in words is "twenty-one billion, one hundred thirty million, one hundred thirty-three thousand, one hundred fifty-nine".
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