Base | Representation |
---|---|
bin | 11100001000101111… |
… | …000000011001100000 |
3 | 2212222110220121211212 |
4 | 130020233000121200 |
5 | 443333043424300 |
6 | 21513501125252 |
7 | 2116443623330 |
oct | 341057003140 |
9 | 85873817755 |
10 | 30211311200 |
11 | 118a3552294 |
12 | 5a31859828 |
13 | 2b060aca05 |
14 | 16685330c0 |
15 | bbc469935 |
hex | 708bc0660 |
30211311200 has 72 divisors (see below), whose sum is σ = 84289573872. Its totient is φ = 10358161920.
The previous prime is 30211311199. The next prime is 30211311223. The reversal of 30211311200 is 211311203.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2691839 + ... + 2703038.
It is an arithmetic number, because the mean of its divisors is an integer number (1170688526).
Almost surely, 230211311200 is an apocalyptic number.
It is an amenable number.
30211311200 is an abundant number, since it is smaller than the sum of its proper divisors (54078262672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30211311200 is a wasteful number, since it uses less digits than its factorization.
30211311200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5394904 (or 5394891 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 30211311200 its reverse (211311203), we get a palindrome (30422622403).
It can be divided in two parts, 302113 and 11200, that added together give a palindrome (313313).
The spelling of 30211311200 in words is "thirty billion, two hundred eleven million, three hundred eleven thousand, two hundred".
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