Base | Representation |
---|---|
bin | 11100101101100000… |
… | …010000100111011011 |
3 | 2221120110200221120021 |
4 | 130231200100213123 |
5 | 1001114004434314 |
6 | 22055015211311 |
7 | 2140644253165 |
oct | 345540204733 |
9 | 87513627507 |
10 | 30828202459 |
11 | 1208a79787a |
12 | 5b84376b37 |
13 | 2ba3b40a22 |
14 | 16c6435935 |
15 | c066c2324 |
hex | 72d8109db |
30828202459 has 2 divisors, whose sum is σ = 30828202460. Its totient is φ = 30828202458.
The previous prime is 30828202429. The next prime is 30828202499. The reversal of 30828202459 is 95420282803.
It is a weak prime.
It is an emirp because it is prime and its reverse (95420282803) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30828202459 - 211 = 30828200411 is a prime.
It is not a weakly prime, because it can be changed into another prime (30828202429) 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, 15414101229 + 15414101230.
It is an arithmetic number, because the mean of its divisors is an integer number (15414101230).
Almost surely, 230828202459 is an apocalyptic number.
30828202459 is a deficient number, since it is larger than the sum of its proper divisors (1).
30828202459 is an equidigital number, since it uses as much as digits as its factorization.
30828202459 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 276480, while the sum is 43.
The spelling of 30828202459 in words is "thirty billion, eight hundred twenty-eight million, two hundred two thousand, four hundred fifty-nine".
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