Base | Representation |
---|---|
bin | 11100100001111100… |
… | …111101010011000011 |
3 | 2221001222000201002020 |
4 | 130201330331103003 |
5 | 1000214401231130 |
6 | 22023453252523 |
7 | 2133102044241 |
oct | 344174752303 |
9 | 87058021066 |
10 | 30634398915 |
11 | 11aa035735a |
12 | 5b2b494143 |
13 | 2b72945c83 |
14 | 16a87c7791 |
15 | be468de10 |
hex | 721f3d4c3 |
30634398915 has 16 divisors (see below), whose sum is σ = 51594777600. Its totient is φ = 15478432992.
The previous prime is 30634398913. The next prime is 30634398929. The reversal of 30634398915 is 51989343603.
It is a happy number.
It is not a de Polignac number, because 30634398915 - 21 = 30634398913 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30634398913) 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 in 15 ways as a sum of consecutive naturals, for example, 53744275 + ... + 53744844.
It is an arithmetic number, because the mean of its divisors is an integer number (3224673600).
Almost surely, 230634398915 is an apocalyptic number.
30634398915 is a deficient number, since it is larger than the sum of its proper divisors (20960378685).
30634398915 is a wasteful number, since it uses less digits than its factorization.
30634398915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107489146.
The product of its (nonzero) digits is 2099520, while the sum is 51.
The spelling of 30634398915 in words is "thirty billion, six hundred thirty-four million, three hundred ninety-eight thousand, nine hundred fifteen".
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