Base | Representation |
---|---|
bin | 11011111110000111… |
… | …110000001000100000 |
3 | 2212112001212010011011 |
4 | 123332013300020200 |
5 | 443002002430200 |
6 | 21444100430304 |
7 | 2112152255062 |
oct | 337607601040 |
9 | 85461763134 |
10 | 30033248800 |
11 | 11811a93385 |
12 | 59a20a8394 |
13 | 2aa8236a49 |
14 | 164ca21732 |
15 | bab9e55ba |
hex | 6fe1f0220 |
30033248800 has 72 divisors (see below), whose sum is σ = 73418800896. Its totient is φ = 11996893440.
The previous prime is 30033248753. The next prime is 30033248803. The reversal of 30033248800 is 884233003.
It is not an unprimeable number, because it can be changed into a prime (30033248803) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 569137 + ... + 619663.
It is an arithmetic number, because the mean of its divisors is an integer number (1019705568).
Almost surely, 230033248800 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30033248800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36709400448).
30033248800 is an abundant number, since it is smaller than the sum of its proper divisors (43385552096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30033248800 is a wasteful number, since it uses less digits than its factorization.
30033248800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51290 (or 51277 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 31.
The spelling of 30033248800 in words is "thirty billion, thirty-three million, two hundred forty-eight thousand, eight hundred".
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