Base | Representation |
---|---|
bin | 11011111110111001… |
… | …111111110100010111 |
3 | 2212112222122021222112 |
4 | 123332321333310113 |
5 | 443013340421442 |
6 | 21445251021235 |
7 | 2112402233564 |
oct | 337671776427 |
9 | 85488567875 |
10 | 30046420247 |
11 | 1181946a278 |
12 | 59a659a81b |
13 | 2aaab98cbc |
14 | 165068d86b |
15 | bacc48082 |
hex | 6fee7fd17 |
30046420247 has 2 divisors, whose sum is σ = 30046420248. Its totient is φ = 30046420246.
The previous prime is 30046420199. The next prime is 30046420249. The reversal of 30046420247 is 74202464003.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30046420247 - 224 = 30029643031 is a prime.
Together with 30046420249, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30046420249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15023210123 + 15023210124.
It is an arithmetic number, because the mean of its divisors is an integer number (15023210124).
Almost surely, 230046420247 is an apocalyptic number.
30046420247 is a deficient number, since it is larger than the sum of its proper divisors (1).
30046420247 is an equidigital number, since it uses as much as digits as its factorization.
30046420247 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32256, while the sum is 32.
The spelling of 30046420247 in words is "thirty billion, forty-six million, four hundred twenty thousand, two hundred forty-seven".
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