Base | Representation |
---|---|
bin | 11100001101010110… |
… | …010101110111010100 |
3 | 2220011212120222200020 |
4 | 130031112111313110 |
5 | 444012403402404 |
6 | 21525304345140 |
7 | 2121403653645 |
oct | 341526256724 |
9 | 86155528606 |
10 | 30288731604 |
11 | 1193322139a |
12 | 5a537751b0 |
13 | 2b19148bc1 |
14 | 16749276cc |
15 | bc415ded9 |
hex | 70d595dd4 |
30288731604 has 12 divisors (see below), whose sum is σ = 70673707104. Its totient is φ = 10096243864.
The previous prime is 30288731597. The next prime is 30288731633. The reversal of 30288731604 is 40613788203.
It is a tau number, because it is divible by the number of its divisors (12).
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 3 ways as a sum of consecutive naturals, for example, 1262030472 + ... + 1262030495.
It is an arithmetic number, because the mean of its divisors is an integer number (5889475592).
Almost surely, 230288731604 is an apocalyptic number.
It is an amenable number.
30288731604 is an abundant number, since it is smaller than the sum of its proper divisors (40384975500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30288731604 is a wasteful number, since it uses less digits than its factorization.
30288731604 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2524060974 (or 2524060972 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 42.
The spelling of 30288731604 in words is "thirty billion, two hundred eighty-eight million, seven hundred thirty-one thousand, six hundred four".
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