Base | Representation |
---|---|
bin | 11100101110010000… |
… | …101011010110100100 |
3 | 2221121100120210022002 |
4 | 130232100223112210 |
5 | 1001130232114014 |
6 | 22100151224432 |
7 | 2141160165302 |
oct | 345620532644 |
9 | 87540523262 |
10 | 30840894884 |
11 | 12096976888 |
12 | 5b88678118 |
13 | 2ba6665c37 |
14 | 16c7dbb272 |
15 | c0787cdde |
hex | 72e42b5a4 |
30840894884 has 12 divisors (see below), whose sum is σ = 54396539904. Its totient is φ = 15299026344.
The previous prime is 30840894853. The next prime is 30840894893. The reversal of 30840894884 is 48849804803.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30354704 + ... + 30355719.
It is an arithmetic number, because the mean of its divisors is an integer number (4533044992).
Almost surely, 230840894884 is an apocalyptic number.
It is an amenable number.
30840894884 is a deficient number, since it is larger than the sum of its proper divisors (23555645020).
30840894884 is a wasteful number, since it uses less digits than its factorization.
30840894884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60710554 (or 60710552 counting only the distinct ones).
The product of its (nonzero) digits is 7077888, while the sum is 56.
The spelling of 30840894884 in words is "thirty billion, eight hundred forty million, eight hundred ninety-four thousand, eight hundred eighty-four".
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