Base | Representation |
---|---|
bin | 11100001000101110… |
… | …101101010110111100 |
3 | 2212222110202122212102 |
4 | 130020232231112330 |
5 | 443333033430322 |
6 | 21513455324232 |
7 | 2116443150056 |
oct | 341056552674 |
9 | 85873678772 |
10 | 30211233212 |
11 | 118a34a9736 |
12 | 5a31820678 |
13 | 2b06083374 |
14 | 16685128d6 |
15 | bbc451792 |
hex | 708bad5bc |
30211233212 has 12 divisors (see below), whose sum is σ = 53994544800. Its totient is φ = 14784220416.
The previous prime is 30211233211. The next prime is 30211233253. The reversal of 30211233212 is 21233211203.
It is a super-2 number, since 2×302112332122 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30211233211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80348837 + ... + 80349212.
It is an arithmetic number, because the mean of its divisors is an integer number (4499545400).
Almost surely, 230211233212 is an apocalyptic number.
It is an amenable number.
30211233212 is a deficient number, since it is larger than the sum of its proper divisors (23783311588).
30211233212 is a wasteful number, since it uses less digits than its factorization.
30211233212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160698100 (or 160698098 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 30211233212 its reverse (21233211203), we get a palindrome (51444444415).
The spelling of 30211233212 in words is "thirty billion, two hundred eleven million, two hundred thirty-three thousand, two hundred twelve".
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