Base | Representation |
---|---|
bin | 11100010011010101… |
… | …111001000011000001 |
3 | 2220102212210012211210 |
4 | 130103111321003001 |
5 | 444214123324430 |
6 | 21543255400333 |
7 | 2124034406553 |
oct | 342325710301 |
9 | 86385705753 |
10 | 30389276865 |
11 | 11984a55552 |
12 | 5a813830a9 |
13 | 2b33c2093c |
14 | 168401b4d3 |
15 | bccdc02b0 |
hex | 7135790c1 |
30389276865 has 8 divisors (see below), whose sum is σ = 48622843008. Its totient is φ = 16207614320.
The previous prime is 30389276791. The next prime is 30389276881. The reversal of 30389276865 is 56867298303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30389276865 - 27 = 30389276737 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012975881 + ... + 1012975910.
It is an arithmetic number, because the mean of its divisors is an integer number (6077855376).
Almost surely, 230389276865 is an apocalyptic number.
It is an amenable number.
30389276865 is a deficient number, since it is larger than the sum of its proper divisors (18233566143).
30389276865 is a wasteful number, since it uses less digits than its factorization.
30389276865 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2025951799.
The product of its (nonzero) digits is 13063680, while the sum is 57.
The spelling of 30389276865 in words is "thirty billion, three hundred eighty-nine million, two hundred seventy-six thousand, eight hundred sixty-five".
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