Base | Representation |
---|---|
bin | 1001101000111011010… |
… | …10101010000001001100 |
3 | 1011122220121102121211102 |
4 | 10310131222222001030 |
5 | 20411304303000322 |
6 | 412053400042232 |
7 | 32633461163420 |
oct | 4643552520114 |
9 | 1148817377742 |
10 | 331210203212 |
11 | 118513585979 |
12 | 54235763378 |
13 | 25304b4b385 |
14 | 120601b4b80 |
15 | 893768b792 |
hex | 4d1daaa04c |
331210203212 has 48 divisors (see below), whose sum is σ = 668999589888. Its totient is φ = 140541972480.
The previous prime is 331210203211. The next prime is 331210203217. The reversal of 331210203212 is 212302012133.
It is not an unprimeable number, because it can be changed into a prime (331210203211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1651148 + ... + 1840844.
It is an arithmetic number, because the mean of its divisors is an integer number (13937491456).
Almost surely, 2331210203212 is an apocalyptic number.
It is an amenable number.
331210203212 is an abundant number, since it is smaller than the sum of its proper divisors (337789386676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331210203212 is a wasteful number, since it uses less digits than its factorization.
331210203212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190326 (or 190324 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 331210203212 its reverse (212302012133), we get a palindrome (543512215345).
The spelling of 331210203212 in words is "three hundred thirty-one billion, two hundred ten million, two hundred three thousand, two hundred twelve".
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