Base | Representation |
---|---|
bin | 11100010100111011… |
… | …100001001110110111 |
3 | 2220111201220201121202 |
4 | 130110323201032313 |
5 | 444242433334012 |
6 | 21550050403115 |
7 | 2124510015536 |
oct | 342473411667 |
9 | 86451821552 |
10 | 30415918007 |
11 | 11998aa1422 |
12 | 5a8a29049b |
13 | 2b395bab27 |
14 | 168779431d |
15 | bd03d3cc2 |
hex | 714ee13b7 |
30415918007 has 2 divisors, whose sum is σ = 30415918008. Its totient is φ = 30415918006.
The previous prime is 30415917967. The next prime is 30415918009. The reversal of 30415918007 is 70081951403.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30415918007 - 28 = 30415917751 is a prime.
Together with 30415918009, 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 (30415918009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15207959003 + 15207959004.
It is an arithmetic number, because the mean of its divisors is an integer number (15207959004).
Almost surely, 230415918007 is an apocalyptic number.
30415918007 is a deficient number, since it is larger than the sum of its proper divisors (1).
30415918007 is an equidigital number, since it uses as much as digits as its factorization.
30415918007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 30240, while the sum is 38.
The spelling of 30415918007 in words is "thirty billion, four hundred fifteen million, nine hundred eighteen thousand, seven".
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