Base | Representation |
---|---|
bin | 11100001110111011… |
… | …110000010111010001 |
3 | 2220020201121122120000 |
4 | 130032323300113101 |
5 | 444041210113224 |
6 | 21532054240213 |
7 | 2122145640330 |
oct | 341673602721 |
9 | 86221548500 |
10 | 30315316689 |
11 | 1194722a139 |
12 | 5a60656069 |
13 | 2b217c6718 |
14 | 1678287d17 |
15 | bc66610c9 |
hex | 70eef05d1 |
30315316689 has 40 divisors (see below), whose sum is σ = 52257828480. Its totient is φ = 17154820224.
The previous prime is 30315316679. The next prime is 30315316709. The reversal of 30315316689 is 98661351303.
30315316689 is a `hidden beast` number, since 3 + 0 + 31 + 531 + 6 + 6 + 89 = 666.
It is not a de Polignac number, because 30315316689 - 27 = 30315316561 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30315316679) 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 39 ways as a sum of consecutive naturals, for example, 201144 + ... + 317945.
It is an arithmetic number, because the mean of its divisors is an integer number (1306445712).
Almost surely, 230315316689 is an apocalyptic number.
It is an amenable number.
30315316689 is a deficient number, since it is larger than the sum of its proper divisors (21942511791).
30315316689 is a wasteful number, since it uses less digits than its factorization.
30315316689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 519211 (or 519202 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 45.
The spelling of 30315316689 in words is "thirty billion, three hundred fifteen million, three hundred sixteen thousand, six hundred eighty-nine".
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