Base | Representation |
---|---|
bin | 11100100100011001… |
… | …110010110011110101 |
3 | 2221011211101111102000 |
4 | 130210121302303311 |
5 | 1000310412400230 |
6 | 22031522405513 |
7 | 2134111361145 |
oct | 344431626365 |
9 | 87154344360 |
10 | 30675512565 |
11 | 12011588685 |
12 | 5b41200899 |
13 | 2b7b30c689 |
14 | 16b004a925 |
15 | be80b0b60 |
hex | 724672cf5 |
30675512565 has 16 divisors (see below), whose sum is σ = 54534244800. Its totient is φ = 16360273296.
The previous prime is 30675512537. The next prime is 30675512579. The reversal of 30675512565 is 56521557603.
30675512565 is a `hidden beast` number, since 3 + 0 + 6 + 75 + 5 + 12 + 565 = 666.
It is not a de Polignac number, because 30675512565 - 26 = 30675512501 is a prime.
It is a super-2 number, since 2×306755125652 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 30675512565.
It is a congruent number.
It is an unprimeable number.
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, 113612875 + ... + 113613144.
It is an arithmetic number, because the mean of its divisors is an integer number (3408390300).
Almost surely, 230675512565 is an apocalyptic number.
It is an amenable number.
30675512565 is a deficient number, since it is larger than the sum of its proper divisors (23858732235).
30675512565 is a wasteful number, since it uses less digits than its factorization.
30675512565 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227226033 (or 227226027 counting only the distinct ones).
The product of its (nonzero) digits is 945000, while the sum is 45.
The spelling of 30675512565 in words is "thirty billion, six hundred seventy-five million, five hundred twelve thousand, five hundred sixty-five".
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