Base | Representation |
---|---|
bin | 11100001000110010… |
… | …001001000101010000 |
3 | 2212222112110101102022 |
4 | 130020302021011100 |
5 | 443333301230300 |
6 | 21513530511012 |
7 | 2116453615664 |
oct | 341062110520 |
9 | 85875411368 |
10 | 30212133200 |
11 | 118a3a63927 |
12 | 5a31b95468 |
13 | 2b06309bc2 |
14 | 16686a88a4 |
15 | bbc57d285 |
hex | 708c89150 |
30212133200 has 60 divisors (see below), whose sum is σ = 72602300700. Its totient is φ = 12081914880.
The previous prime is 30212133199. The next prime is 30212133307. The reversal of 30212133200 is 233121203.
It can be written as a sum of positive squares in 6 ways, for example, as 2817911056 + 27394222144 = 53084^2 + 165512^2 .
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, 2480726 + ... + 2492874.
It is an arithmetic number, because the mean of its divisors is an integer number (1210038345).
Almost surely, 230212133200 is an apocalyptic number.
It is an amenable number.
30212133200 is an abundant number, since it is smaller than the sum of its proper divisors (42390167500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30212133200 is a wasteful number, since it uses less digits than its factorization.
30212133200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18384 (or 18373 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30212133200 its reverse (233121203), we get a palindrome (30445254403).
The spelling of 30212133200 in words is "thirty billion, two hundred twelve million, one hundred thirty-three thousand, two hundred".
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