Base | Representation |
---|---|
bin | 11100101010100101… |
… | …101010001000100010 |
3 | 2221110001122201212102 |
4 | 130222211222020202 |
5 | 1001013444123200 |
6 | 22050110530402 |
7 | 2136511420562 |
oct | 345245521042 |
9 | 87401581772 |
10 | 30779286050 |
11 | 12065117197 |
12 | 5b6bb06a02 |
13 | 2b969748c6 |
14 | 16bdb40da2 |
15 | c0225d6d5 |
hex | 72a96a222 |
30779286050 has 54 divisors (see below), whose sum is σ = 58713573843. Its totient is φ = 12004554240.
The previous prime is 30779286023. The next prime is 30779286059. The reversal of 30779286050 is 5068297703.
It can be written as a sum of positive squares in 5 ways, for example, as 29244762121 + 1534523929 = 171011^2 + 39173^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=124055.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30779285986 and 30779286004.
It is not an unprimeable number, because it can be changed into a prime (30779286059) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 53343362 + ... + 53343938.
Almost surely, 230779286050 is an apocalyptic number.
30779286050 is a deficient number, since it is larger than the sum of its proper divisors (27934287793).
30779286050 is an frugal number, since it uses more digits than its factorization.
30779286050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1252 (or 627 counting only the distinct ones).
The product of its (nonzero) digits is 635040, while the sum is 47.
The spelling of 30779286050 in words is "thirty billion, seven hundred seventy-nine million, two hundred eighty-six thousand, fifty".
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