Base | Representation |
---|---|
bin | 11100000010110100… |
… | …001011110001010000 |
3 | 2212201120001100121212 |
4 | 130002310023301100 |
5 | 443132133131300 |
6 | 21455552435252 |
7 | 2114126551424 |
oct | 340264136120 |
9 | 85646040555 |
10 | 30112005200 |
11 | 11852495212 |
12 | 5a04548b28 |
13 | 2abb650074 |
14 | 1659282b84 |
15 | bb38a0935 |
hex | 702d0bc50 |
30112005200 has 60 divisors (see below), whose sum is σ = 72605529660. Its totient is φ = 12001274880.
The previous prime is 30112005199. The next prime is 30112005227. The reversal of 30112005200 is 250021103.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 38416 + 30111966784 = 196^2 + 173528^2 .
It is a congruent number.
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, 25085 + ... + 246684.
It is an arithmetic number, because the mean of its divisors is an integer number (1210092161).
Almost surely, 230112005200 is an apocalyptic number.
It is an amenable number.
30112005200 is an abundant number, since it is smaller than the sum of its proper divisors (42493524460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30112005200 is a wasteful number, since it uses less digits than its factorization.
30112005200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 272064 (or 272053 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 14.
Adding to 30112005200 its reverse (250021103), we get a palindrome (30362026303).
The spelling of 30112005200 in words is "thirty billion, one hundred twelve million, five thousand, two hundred".
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