Base | Representation |
---|---|
bin | 11100010000111011… |
… | …110101110100000111 |
3 | 2220100001210112012122 |
4 | 130100323311310013 |
5 | 444123304042242 |
6 | 21535254040155 |
7 | 2123034223625 |
oct | 342073656407 |
9 | 86301715178 |
10 | 30348893447 |
11 | 11964182924 |
12 | 5a6b94905b |
13 | 2b28751722 |
14 | 167c908515 |
15 | bc9594ad2 |
hex | 710ef5d07 |
30348893447 has 2 divisors, whose sum is σ = 30348893448. Its totient is φ = 30348893446.
The previous prime is 30348893347. The next prime is 30348893479. The reversal of 30348893447 is 74439884303.
It is a strong prime.
It is an emirp because it is prime and its reverse (74439884303) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30348893447 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30348893347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15174446723 + 15174446724.
It is an arithmetic number, because the mean of its divisors is an integer number (15174446724).
Almost surely, 230348893447 is an apocalyptic number.
30348893447 is a deficient number, since it is larger than the sum of its proper divisors (1).
30348893447 is an equidigital number, since it uses as much as digits as its factorization.
30348893447 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6967296, while the sum is 53.
The spelling of 30348893447 in words is "thirty billion, three hundred forty-eight million, eight hundred ninety-three thousand, four hundred forty-seven".
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