Base | Representation |
---|---|
bin | 11100010011010110… |
… | …110000001001111001 |
3 | 2220102220012200110210 |
4 | 130103112300021321 |
5 | 444214203040320 |
6 | 21543304301333 |
7 | 2124036336621 |
oct | 342326601171 |
9 | 86386180423 |
10 | 30389502585 |
11 | 1198509a0a2 |
12 | 5a81471849 |
13 | 2b33c9c5c0 |
14 | 1684079881 |
15 | bcce170e0 |
hex | 7135b0279 |
30389502585 has 128 divisors (see below), whose sum is σ = 55454515200. Its totient is φ = 14107530240.
The previous prime is 30389502571. The next prime is 30389502593. The reversal of 30389502585 is 58520598303.
It is not a de Polignac number, because 30389502585 - 24 = 30389502569 is a prime.
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 127 ways as a sum of consecutive naturals, for example, 49574739 + ... + 49575351.
It is an arithmetic number, because the mean of its divisors is an integer number (433238400).
Almost surely, 230389502585 is an apocalyptic number.
It is an amenable number.
30389502585 is a deficient number, since it is larger than the sum of its proper divisors (25065012615).
30389502585 is a wasteful number, since it uses less digits than its factorization.
30389502585 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 863.
The product of its (nonzero) digits is 1296000, while the sum is 48.
The spelling of 30389502585 in words is "thirty billion, three hundred eighty-nine million, five hundred two thousand, five hundred eighty-five".
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