Base | Representation |
---|---|
bin | 111010001100… |
… | …0100000101011 |
3 | 2010102000121122 |
4 | 1310120200223 |
5 | 30302242344 |
6 | 3005525455 |
7 | 520215545 |
oct | 164304053 |
9 | 63360548 |
10 | 30509099 |
11 | 16248a35 |
12 | a27388b |
13 | 642292a |
14 | 40a2695 |
15 | 2a29aee |
hex | 1d1882b |
30509099 has 2 divisors, whose sum is σ = 30509100. Its totient is φ = 30509098.
The previous prime is 30509093. The next prime is 30509107. The reversal of 30509099 is 99090503.
It is a weak prime.
It is an emirp because it is prime and its reverse (99090503) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30509099 - 28 = 30508843 is a prime.
It is not a weakly prime, because it can be changed into another prime (30509093) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15254549 + 15254550.
It is an arithmetic number, because the mean of its divisors is an integer number (15254550).
Almost surely, 230509099 is an apocalyptic number.
30509099 is a deficient number, since it is larger than the sum of its proper divisors (1).
30509099 is an equidigital number, since it uses as much as digits as its factorization.
30509099 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10935, while the sum is 35.
The square root of 30509099 is about 5523.5042319165. The cubic root of 30509099 is about 312.4710552391.
The spelling of 30509099 in words is "thirty million, five hundred nine thousand, ninety-nine".
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