Base | Representation |
---|---|
bin | 11100101100111010… |
… | …101111110001001000 |
3 | 2221112210012100000200 |
4 | 130230322233301020 |
5 | 1001104000243314 |
6 | 22054024332200 |
7 | 2140464545043 |
oct | 345472576110 |
9 | 87483170020 |
10 | 30818368584 |
11 | 12085190503 |
12 | 5b81014060 |
13 | 2ba1aa9973 |
14 | 16c4dd5c5a |
15 | c058cd709 |
hex | 72ceafc48 |
30818368584 has 24 divisors (see below), whose sum is σ = 83466415110. Its totient is φ = 10272789504.
The previous prime is 30818368561. The next prime is 30818368589. The reversal of 30818368584 is 48586381803.
30818368584 is a `hidden beast` number, since 308 + 183 + 6 + 85 + 84 = 666.
It can be written as a sum of positive squares in only one way, i.e., 18314208900 + 12504159684 = 135330^2 + 111822^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a self number, because there is not a number n which added to its sum of digits gives 30818368584.
It is not an unprimeable number, because it can be changed into a prime (30818368589) 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 5 ways as a sum of consecutive naturals, for example, 214016377 + ... + 214016520.
Almost surely, 230818368584 is an apocalyptic number.
It is an amenable number.
30818368584 is an abundant number, since it is smaller than the sum of its proper divisors (52648046526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30818368584 is a wasteful number, since it uses less digits than its factorization.
30818368584 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428032909 (or 428032902 counting only the distinct ones).
The product of its (nonzero) digits is 4423680, while the sum is 54.
The spelling of 30818368584 in words is "thirty billion, eight hundred eighteen million, three hundred sixty-eight thousand, five hundred eighty-four".
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