Base | Representation |
---|---|
bin | 11100011101100110… |
… | …001111101100001111 |
3 | 2220212212112201201021 |
4 | 130131212033230033 |
5 | 1000042200223304 |
6 | 22012323255011 |
7 | 2131224033121 |
oct | 343546175417 |
9 | 86785481637 |
10 | 30561336079 |
11 | 11a6309414a |
12 | 5b0ab1a467 |
13 | 2b60774321 |
14 | 169cc09211 |
15 | bdd05aa54 |
hex | 71d98fb0f |
30561336079 has 2 divisors, whose sum is σ = 30561336080. Its totient is φ = 30561336078.
The previous prime is 30561335983. The next prime is 30561336083. The reversal of 30561336079 is 97063316503.
It is a strong prime.
It is an emirp because it is prime and its reverse (97063316503) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30561336079 - 213 = 30561327887 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30561334079) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15280668039 + 15280668040.
It is an arithmetic number, because the mean of its divisors is an integer number (15280668040).
Almost surely, 230561336079 is an apocalyptic number.
30561336079 is a deficient number, since it is larger than the sum of its proper divisors (1).
30561336079 is an equidigital number, since it uses as much as digits as its factorization.
30561336079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 306180, while the sum is 43.
The spelling of 30561336079 in words is "thirty billion, five hundred sixty-one million, three hundred thirty-six thousand, seventy-nine".
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