Base | Representation |
---|---|
bin | 11011111101110010… |
… | …100011011110010010 |
3 | 2212111200101210112212 |
4 | 123331302203132102 |
5 | 442444042120142 |
6 | 21443341352122 |
7 | 2112054112214 |
oct | 337562433622 |
9 | 85450353485 |
10 | 30027691922 |
11 | 11809938418 |
12 | 59a0268642 |
13 | 2aa703c657 |
14 | 164bdb65b4 |
15 | bab298d82 |
hex | 6fdca3792 |
30027691922 has 18 divisors (see below), whose sum is σ = 47544286293. Its totient is φ = 14221437984.
The previous prime is 30027691919. The next prime is 30027691927. The reversal of 30027691922 is 22919672003.
It can be written as a sum of positive squares in 2 ways, for example, as 20149518601 + 9878173321 = 141949^2 + 99389^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=122531.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30027691922.
It is not an unprimeable number, because it can be changed into a prime (30027691927) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4652954 + ... + 4659402.
Almost surely, 230027691922 is an apocalyptic number.
30027691922 is a deficient number, since it is larger than the sum of its proper divisors (17516594371).
30027691922 is an frugal number, since it uses more digits than its factorization.
30027691922 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12938 (or 6470 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 41.
The spelling of 30027691922 in words is "thirty billion, twenty-seven million, six hundred ninety-one thousand, nine hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •