Base | Representation |
---|---|
bin | 11100011101111111… |
… | …101101110100011111 |
3 | 2220220100002221211212 |
4 | 130131333231310133 |
5 | 1000100402404322 |
6 | 22013122335035 |
7 | 2131334552453 |
oct | 343577556437 |
9 | 86810087755 |
10 | 30568013087 |
11 | 11a66934737 |
12 | 5b111ba47b |
13 | 2b61c71511 |
14 | 169da66663 |
15 | bdd9290e2 |
hex | 71dfedd1f |
30568013087 has 2 divisors, whose sum is σ = 30568013088. Its totient is φ = 30568013086.
The previous prime is 30568013053. The next prime is 30568013213. The reversal of 30568013087 is 78031086503.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30568013087 - 210 = 30568012063 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30568013027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15284006543 + 15284006544.
It is an arithmetic number, because the mean of its divisors is an integer number (15284006544).
Almost surely, 230568013087 is an apocalyptic number.
30568013087 is a deficient number, since it is larger than the sum of its proper divisors (1).
30568013087 is an equidigital number, since it uses as much as digits as its factorization.
30568013087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 120960, while the sum is 41.
The spelling of 30568013087 in words is "thirty billion, five hundred sixty-eight million, thirteen thousand, eighty-seven".
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