Base | Representation |
---|---|
bin | 11100001000101110… |
… | …001101100111101100 |
3 | 2212222110112001112121 |
4 | 130020232031213230 |
5 | 443333020300322 |
6 | 21513452442324 |
7 | 2116442066053 |
oct | 341056154754 |
9 | 85873461477 |
10 | 30211103212 |
11 | 118a341aaa4 |
12 | 5a317793a4 |
13 | 2b06039144 |
14 | 16684bb39a |
15 | bbc427ec7 |
hex | 708b8d9ec |
30211103212 has 12 divisors (see below), whose sum is σ = 53538664480. Its totient is φ = 14914341936.
The previous prime is 30211103183. The next prime is 30211103239. The reversal of 30211103212 is 21230111203.
It is a super-2 number, since 2×302111032122 (a number of 22 digits) contains 22 as substring.
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, 47802063 + ... + 47802694.
Almost surely, 230211103212 is an apocalyptic number.
It is an amenable number.
30211103212 is a deficient number, since it is larger than the sum of its proper divisors (23327561268).
30211103212 is a wasteful number, since it uses less digits than its factorization.
30211103212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95604840 (or 95604838 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 30211103212 its reverse (21230111203), we get a palindrome (51441214415).
The spelling of 30211103212 in words is "thirty billion, two hundred eleven million, one hundred three thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •