Base | Representation |
---|---|
bin | 11011111110000111… |
… | …100111001011000100 |
3 | 2212112001210020210220 |
4 | 123332013213023010 |
5 | 443002000241400 |
6 | 21444055544340 |
7 | 2112152043063 |
oct | 337607471304 |
9 | 85461706726 |
10 | 30033212100 |
11 | 11811a68851 |
12 | 59a208b0b0 |
13 | 2aa8223128 |
14 | 164ca121da |
15 | bab9d97a0 |
hex | 6fe1e72c4 |
30033212100 has 36 divisors (see below), whose sum is σ = 86896094544. Its totient is φ = 8008856480.
The previous prime is 30033212093. The next prime is 30033212117. The reversal of 30033212100 is 121233003.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 30033212100.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50055054 + ... + 50055653.
It is an arithmetic number, because the mean of its divisors is an integer number (2413780404).
Almost surely, 230033212100 is an apocalyptic number.
30033212100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30033212100 is an abundant number, since it is smaller than the sum of its proper divisors (56862882444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30033212100 is a wasteful number, since it uses less digits than its factorization.
30033212100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100110724 (or 100110717 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 30033212100 its reverse (121233003), we get a palindrome (30154445103).
The spelling of 30033212100 in words is "thirty billion, thirty-three million, two hundred twelve thousand, one hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •