Base | Representation |
---|---|
bin | 11100010101111110… |
… | …010010100010001001 |
3 | 2220112221211222211101 |
4 | 130111332102202021 |
5 | 444311423441244 |
6 | 21551513501401 |
7 | 2125111546144 |
oct | 342576224211 |
9 | 86487758741 |
10 | 30433421449 |
11 | 119a7966a82 |
12 | 5a94111861 |
13 | 2b40108ab2 |
14 | 1689c2d05b |
15 | bd1be00d4 |
hex | 715f92889 |
30433421449 has 2 divisors, whose sum is σ = 30433421450. Its totient is φ = 30433421448.
The previous prime is 30433421413. The next prime is 30433421453. The reversal of 30433421449 is 94412433403.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27458809849 + 2974611600 = 165707^2 + 54540^2 .
It is a cyclic number.
It is not a de Polignac number, because 30433421449 - 27 = 30433421321 is a prime.
It is not a weakly prime, because it can be changed into another prime (30433421479) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15216710724 + 15216710725.
It is an arithmetic number, because the mean of its divisors is an integer number (15216710725).
Almost surely, 230433421449 is an apocalyptic number.
It is an amenable number.
30433421449 is a deficient number, since it is larger than the sum of its proper divisors (1).
30433421449 is an equidigital number, since it uses as much as digits as its factorization.
30433421449 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 124416, while the sum is 37.
The spelling of 30433421449 in words is "thirty billion, four hundred thirty-three million, four hundred twenty-one thousand, four hundred forty-nine".
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