Base | Representation |
---|---|
bin | 11100101101110011… |
… | …110101010010010001 |
3 | 2221120211100121212212 |
4 | 130231303311102101 |
5 | 1001121313132033 |
6 | 22055321201505 |
7 | 2141036003162 |
oct | 345563652221 |
9 | 87524317785 |
10 | 30833333393 |
11 | 12092681815 |
12 | 5b86030295 |
13 | 2ba4c19295 |
14 | 16c6dad769 |
15 | c06d87748 |
hex | 72dcf5491 |
30833333393 has 2 divisors, whose sum is σ = 30833333394. Its totient is φ = 30833333392.
The previous prime is 30833333369. The next prime is 30833333423. The reversal of 30833333393 is 39333333803.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22114069264 + 8719264129 = 148708^2 + 93377^2 .
It is a cyclic number.
It is not a de Polignac number, because 30833333393 - 220 = 30832284817 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30833333393.
It is not a weakly prime, because it can be changed into another prime (30833333303) 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, 15416666696 + 15416666697.
It is an arithmetic number, because the mean of its divisors is an integer number (15416666697).
Almost surely, 230833333393 is an apocalyptic number.
It is an amenable number.
30833333393 is a deficient number, since it is larger than the sum of its proper divisors (1).
30833333393 is an equidigital number, since it uses as much as digits as its factorization.
30833333393 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 472392, while the sum is 41.
The spelling of 30833333393 in words is "thirty billion, eight hundred thirty-three million, three hundred thirty-three thousand, three hundred ninety-three".
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