Base | Representation |
---|---|
bin | 11011111101111110… |
… | …011110000010110101 |
3 | 2212111220021111011201 |
4 | 123331332132002311 |
5 | 443000342043123 |
6 | 21443532332501 |
7 | 2112122501464 |
oct | 337576360265 |
9 | 85456244151 |
10 | 30030815413 |
11 | 11810681115 |
12 | 59a1314131 |
13 | 2aa7894281 |
14 | 164c58a9db |
15 | bab6b45ad |
hex | 6fdf9e0b5 |
30030815413 has 2 divisors, whose sum is σ = 30030815414. Its totient is φ = 30030815412.
The previous prime is 30030815371. The next prime is 30030815431. The reversal of 30030815413 is 31451803003.
Together with next prime (30030815431) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 24774130404 + 5256685009 = 157398^2 + 72503^2 .
It is a cyclic number.
It is not a de Polignac number, because 30030815413 - 225 = 29997260981 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30030815813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015407706 + 15015407707.
It is an arithmetic number, because the mean of its divisors is an integer number (15015407707).
Almost surely, 230030815413 is an apocalyptic number.
It is an amenable number.
30030815413 is a deficient number, since it is larger than the sum of its proper divisors (1).
30030815413 is an equidigital number, since it uses as much as digits as its factorization.
30030815413 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4320, while the sum is 28.
The spelling of 30030815413 in words is "thirty billion, thirty million, eight hundred fifteen thousand, four hundred thirteen".
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