Base | Representation |
---|---|
bin | 11100000010110001… |
… | …001111000011010000 |
3 | 2212201111121002021112 |
4 | 130002301033003100 |
5 | 443131433412313 |
6 | 21455524112452 |
7 | 2114120152001 |
oct | 340261170320 |
9 | 85644532245 |
10 | 30111232208 |
11 | 11852007482 |
12 | 5a04235728 |
13 | 2abb43c285 |
14 | 16591211a8 |
15 | bb379b8a8 |
hex | 702c4f0d0 |
30111232208 has 20 divisors (see below), whose sum is σ = 60352255140. Its totient is φ = 14536456704.
The previous prime is 30111232183. The next prime is 30111232211. The reversal of 30111232208 is 80223211103.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 5371717264 + 24739514944 = 73292^2 + 157288^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32446985 + ... + 32447912.
It is an arithmetic number, because the mean of its divisors is an integer number (3017612757).
Almost surely, 230111232208 is an apocalyptic number.
It is an amenable number.
30111232208 is an abundant number, since it is smaller than the sum of its proper divisors (30241022932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30111232208 is a wasteful number, since it uses less digits than its factorization.
30111232208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64894934 (or 64894928 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
The spelling of 30111232208 in words is "thirty billion, one hundred eleven million, two hundred thirty-two thousand, two hundred eight".
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