Base | Representation |
---|---|
bin | 11011111100001101… |
… | …011111110111110100 |
3 | 2212102211112220022211 |
4 | 123330031133313310 |
5 | 442420301410003 |
6 | 21440553503204 |
7 | 2111312666140 |
oct | 337415376764 |
9 | 85384486284 |
10 | 30001200628 |
11 | 117a5994093 |
12 | 5993411b04 |
13 | 2aa16c5729 |
14 | 164867c220 |
15 | ba8cb496d |
hex | 6fc35fdf4 |
30001200628 has 24 divisors (see below), whose sum is σ = 60019601600. Its totient is φ = 12853971648.
The previous prime is 30001200589. The next prime is 30001200629. The reversal of 30001200628 is 82600210003.
It is a junction number, because it is equal to n+sod(n) for n = 30001200599 and 30001200608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30001200629) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52998 + ... + 250621.
Almost surely, 230001200628 is an apocalyptic number.
It is an amenable number.
30001200628 is an abundant number, since it is smaller than the sum of its proper divisors (30018400972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30001200628 is a wasteful number, since it uses less digits than its factorization.
30001200628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307159 (or 307157 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
The spelling of 30001200628 in words is "thirty billion, one million, two hundred thousand, six hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •