Base | Representation |
---|---|
bin | 11100001001101110… |
… | …100101111010010011 |
3 | 2220000122021111000222 |
4 | 130021232211322103 |
5 | 443401330324143 |
6 | 21515254303255 |
7 | 2120035406231 |
oct | 341156457223 |
9 | 86018244028 |
10 | 30227979923 |
11 | 119019a7799 |
12 | 5a37357b2b |
13 | 2b09697a6b |
14 | 166a831951 |
15 | bbdb5d768 |
hex | 709ba5e93 |
30227979923 has 16 divisors (see below), whose sum is σ = 31950301824. Its totient is φ = 28565514240.
The previous prime is 30227979913. The next prime is 30227979983. The reversal of 30227979923 is 32997972203.
It is a cyclic number.
It is not a de Polignac number, because 30227979923 - 220 = 30226931347 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30227979913) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106061 + ... + 267777.
It is an arithmetic number, because the mean of its divisors is an integer number (1996893864).
Almost surely, 230227979923 is an apocalyptic number.
30227979923 is a deficient number, since it is larger than the sum of its proper divisors (1722321901).
30227979923 is a wasteful number, since it uses less digits than its factorization.
30227979923 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 161902.
The product of its (nonzero) digits is 2571912, while the sum is 53.
The spelling of 30227979923 in words is "thirty billion, two hundred twenty-seven million, nine hundred seventy-nine thousand, nine hundred twenty-three".
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