Base | Representation |
---|---|
bin | 11100001000101111… |
… | …000000011001100100 |
3 | 2212222110220121212000 |
4 | 130020233000121210 |
5 | 443333043424304 |
6 | 21513501125300 |
7 | 2116443623334 |
oct | 341057003144 |
9 | 85873817760 |
10 | 30211311204 |
11 | 118a3552298 |
12 | 5a31859830 |
13 | 2b060aca09 |
14 | 16685330c4 |
15 | bbc469939 |
hex | 708bc0664 |
30211311204 has 24 divisors (see below), whose sum is σ = 78325621920. Its totient is φ = 10070437032.
The previous prime is 30211311199. The next prime is 30211311223. The reversal of 30211311204 is 40211311203.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139867074 + ... + 139867289.
It is an arithmetic number, because the mean of its divisors is an integer number (3263567580).
Almost surely, 230211311204 is an apocalyptic number.
It is an amenable number.
30211311204 is an abundant number, since it is smaller than the sum of its proper divisors (48114310716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30211311204 is a wasteful number, since it uses less digits than its factorization.
30211311204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 279734376 (or 279734368 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 30211311204 its reverse (40211311203), we get a palindrome (70422622407).
Subtracting 30211311204 from its reverse (40211311203), we obtain a palindrome (9999999999).
The spelling of 30211311204 in words is "thirty billion, two hundred eleven million, three hundred eleven thousand, two hundred four".
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