Base | Representation |
---|---|
bin | 1101110110110110010111… |
… | …10101010110000011010101 |
3 | 10222220002100100012200212211 |
4 | 12323123023311112003111 |
5 | 12443222441421203004 |
6 | 144450334502313421 |
7 | 6263344346213116 |
oct | 673331365260325 |
9 | 128802310180784 |
10 | 30471917756629 |
11 | 9789082199458 |
12 | 35017b3728871 |
13 | 1400649604a6b |
14 | 774bc4b3220d |
15 | 37c9a034c504 |
hex | 1bb6cbd560d5 |
30471917756629 has 2 divisors, whose sum is σ = 30471917756630. Its totient is φ = 30471917756628.
The previous prime is 30471917756611. The next prime is 30471917756633. The reversal of 30471917756629 is 92665771917403.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15833220893604 + 14638696863025 = 3979098^2 + 3826055^2 .
It is a cyclic number.
It is not a de Polignac number, because 30471917756629 - 25 = 30471917756597 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30471717756629) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15235958878314 + 15235958878315.
It is an arithmetic number, because the mean of its divisors is an integer number (15235958878315).
Almost surely, 230471917756629 is an apocalyptic number.
It is an amenable number.
30471917756629 is a deficient number, since it is larger than the sum of its proper divisors (1).
30471917756629 is an equidigital number, since it uses as much as digits as its factorization.
30471917756629 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 120022560, while the sum is 67.
The spelling of 30471917756629 in words is "thirty trillion, four hundred seventy-one billion, nine hundred seventeen million, seven hundred fifty-six thousand, six hundred twenty-nine".
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