Base | Representation |
---|---|
bin | 11011111101010101… |
… | …010101101011000010 |
3 | 2212111010222200210011 |
4 | 123331111111223002 |
5 | 442440112030333 |
6 | 21442505255134 |
7 | 2111632033510 |
oct | 337525255302 |
9 | 85433880704 |
10 | 30020033218 |
11 | 1180558730a |
12 | 59997944aa |
13 | 2aa558a686 |
14 | 164ad814b0 |
15 | baa7849cd |
hex | 6fd555ac2 |
30020033218 has 32 divisors (see below), whose sum is σ = 52000865280. Its totient is φ = 12731841360.
The previous prime is 30020033207. The next prime is 30020033221. The reversal of 30020033218 is 81233002003.
It is a happy number.
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, 580405 + ... + 630007.
It is an arithmetic number, because the mean of its divisors is an integer number (1625027040).
Almost surely, 230020033218 is an apocalyptic number.
30020033218 is a deficient number, since it is larger than the sum of its proper divisors (21980832062).
30020033218 is a wasteful number, since it uses less digits than its factorization.
30020033218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50062.
The product of its (nonzero) digits is 864, while the sum is 22.
The spelling of 30020033218 in words is "thirty billion, twenty million, thirty-three thousand, two hundred eighteen".
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