Base | Representation |
---|---|
bin | 11100001000110011… |
… | …111101111111001111 |
3 | 2212222120100201021101 |
4 | 130020303331333033 |
5 | 443333412041142 |
6 | 21513545043531 |
7 | 2116460652022 |
oct | 341063757717 |
9 | 85876321241 |
10 | 30212612047 |
11 | 118a4260672 |
12 | 5a321865a7 |
13 | 2b06446b47 |
14 | 16687911b9 |
15 | bbc6250b7 |
hex | 708cfdfcf |
30212612047 has 2 divisors, whose sum is σ = 30212612048. Its totient is φ = 30212612046.
The previous prime is 30212611967. The next prime is 30212612069. The reversal of 30212612047 is 74021621203.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30212612047 - 215 = 30212579279 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30212612077) 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, 15106306023 + 15106306024.
It is an arithmetic number, because the mean of its divisors is an integer number (15106306024).
Almost surely, 230212612047 is an apocalyptic number.
30212612047 is a deficient number, since it is larger than the sum of its proper divisors (1).
30212612047 is an equidigital number, since it uses as much as digits as its factorization.
30212612047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4032, while the sum is 28.
The spelling of 30212612047 in words is "thirty billion, two hundred twelve million, six hundred twelve thousand, forty-seven".
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