Base | Representation |
---|---|
bin | 11100000101011111… |
… | …000001101000100001 |
3 | 2212211200022200020110 |
4 | 130011133001220201 |
5 | 443230114242210 |
6 | 21504232401533 |
7 | 2115212326305 |
oct | 340537015041 |
9 | 85750280213 |
10 | 30156790305 |
11 | 118757a39a4 |
12 | 5a175462a9 |
13 | 2ac7a00925 |
14 | 16611bdd05 |
15 | bb779a420 |
hex | 7057c1a21 |
30156790305 has 16 divisors (see below), whose sum is σ = 48253743360. Its totient is φ = 16082661888.
The previous prime is 30156790289. The next prime is 30156790333. The reversal of 30156790305 is 50309765103.
It is not a de Polignac number, because 30156790305 - 24 = 30156790289 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, 252241 + ... + 352049.
It is an arithmetic number, because the mean of its divisors is an integer number (3015858960).
Almost surely, 230156790305 is an apocalyptic number.
It is an amenable number.
30156790305 is a deficient number, since it is larger than the sum of its proper divisors (18096953055).
30156790305 is a wasteful number, since it uses less digits than its factorization.
30156790305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119960.
The product of its (nonzero) digits is 85050, while the sum is 39.
The spelling of 30156790305 in words is "thirty billion, one hundred fifty-six million, seven hundred ninety thousand, three hundred five".
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