Base | Representation |
---|---|
bin | 11100101110110100… |
… | …011110011010110011 |
3 | 2221122000020120000022 |
4 | 130232310132122303 |
5 | 1001140132412331 |
6 | 22101124314055 |
7 | 2141333021432 |
oct | 345664363263 |
9 | 87560216008 |
10 | 30850279091 |
11 | 120a11a6325 |
12 | 5b8b84292b |
13 | 2ba85a0418 |
14 | 16c9341119 |
15 | c085d367b |
hex | 72ed1e6b3 |
30850279091 has 4 divisors (see below), whose sum is σ = 30891801072. Its totient is φ = 30808757112.
The previous prime is 30850279073. The next prime is 30850279171. The reversal of 30850279091 is 19097205803.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30850279091 - 26 = 30850279027 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30850279001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20759876 + ... + 20761361.
It is an arithmetic number, because the mean of its divisors is an integer number (7722950268).
Almost surely, 230850279091 is an apocalyptic number.
30850279091 is a deficient number, since it is larger than the sum of its proper divisors (41521981).
30850279091 is an equidigital number, since it uses as much as digits as its factorization.
30850279091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41521980.
The product of its (nonzero) digits is 136080, while the sum is 44.
The spelling of 30850279091 in words is "thirty billion, eight hundred fifty million, two hundred seventy-nine thousand, ninety-one".
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