Base | Representation |
---|---|
bin | 11100011001111001… |
… | …010010111100010001 |
3 | 2220201112122222012121 |
4 | 130121321102330101 |
5 | 444430300040030 |
6 | 22002224054241 |
7 | 2126541050302 |
oct | 343171227421 |
9 | 86645588177 |
10 | 30499221265 |
11 | 11a31019397 |
12 | 5ab2164381 |
13 | 2b509368b6 |
14 | 169487a7a9 |
15 | bd788b47a |
hex | 719e52f11 |
30499221265 has 16 divisors (see below), whose sum is σ = 38575472400. Its totient is φ = 23113522432.
The previous prime is 30499221253. The next prime is 30499221271. The reversal of 30499221265 is 56212299403.
It can be written as a sum of positive squares in 8 ways, for example, as 3050684289 + 27448536976 = 55233^2 + 165676^2 .
It is a cyclic number.
It is not a de Polignac number, because 30499221265 - 215 = 30499188497 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1976650 + ... + 1992019.
It is an arithmetic number, because the mean of its divisors is an integer number (2410967025).
Almost surely, 230499221265 is an apocalyptic number.
It is an amenable number.
30499221265 is a deficient number, since it is larger than the sum of its proper divisors (8076251135).
30499221265 is a wasteful number, since it uses less digits than its factorization.
30499221265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3968756.
The product of its (nonzero) digits is 233280, while the sum is 43.
The spelling of 30499221265 in words is "thirty billion, four hundred ninety-nine million, two hundred twenty-one thousand, two hundred sixty-five".
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