Base | Representation |
---|---|
bin | 11100110100000110… |
… | …111110111111110000 |
3 | 2221212012012220210221 |
4 | 130310012332333300 |
5 | 1001330342022300 |
6 | 22114014302424 |
7 | 2143461210220 |
oct | 346406767760 |
9 | 87765186727 |
10 | 30939017200 |
11 | 121372a5603 |
12 | 5bb54b7a14 |
13 | 2bc0a9cb90 |
14 | 16d7040080 |
15 | c112b131a |
hex | 7341beff0 |
30939017200 has 120 divisors (see below), whose sum is σ = 91484401568. Its totient is φ = 9791677440.
The previous prime is 30939017147. The next prime is 30939017201. The reversal of 30939017200 is 271093903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30939017201) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 388587 + ... + 461386.
Almost surely, 230939017200 is an apocalyptic number.
It is an amenable number.
30939017200 is an abundant number, since it is smaller than the sum of its proper divisors (60545384368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30939017200 is a wasteful number, since it uses less digits than its factorization.
30939017200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 850011 (or 850000 counting only the distinct ones).
The product of its (nonzero) digits is 10206, while the sum is 34.
The spelling of 30939017200 in words is "thirty billion, nine hundred thirty-nine million, seventeen thousand, two hundred".
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