Base | Representation |
---|---|
bin | 11011111110100100… |
… | …110010001010001111 |
3 | 2212112121011202202202 |
4 | 123332210302022033 |
5 | 443010424444104 |
6 | 21444531512115 |
7 | 2112304043054 |
oct | 337644621217 |
9 | 85477152682 |
10 | 30040859279 |
11 | 11816311232 |
12 | 59a475863b |
13 | 2aa999caa2 |
14 | 164da4302b |
15 | bac4ea51e |
hex | 6fe93228f |
30040859279 has 2 divisors, whose sum is σ = 30040859280. Its totient is φ = 30040859278.
The previous prime is 30040859267. The next prime is 30040859281. The reversal of 30040859279 is 97295804003.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (97295804003) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30040859279 - 24 = 30040859263 is a prime.
Together with 30040859281, 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 (30040852279) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15020429639 + 15020429640.
It is an arithmetic number, because the mean of its divisors is an integer number (15020429640).
Almost surely, 230040859279 is an apocalyptic number.
30040859279 is a deficient number, since it is larger than the sum of its proper divisors (1).
30040859279 is an equidigital number, since it uses as much as digits as its factorization.
30040859279 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 544320, while the sum is 47.
The spelling of 30040859279 in words is "thirty billion, forty million, eight hundred fifty-nine thousand, two hundred seventy-nine".
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