Base | Representation |
---|---|
bin | 1100010101110011111… |
… | …0001110011000101110 |
3 | 202021020120021010222202 |
4 | 3011130332032120232 |
5 | 11433200340310410 |
6 | 241221510541502 |
7 | 21213612402200 |
oct | 3053476163056 |
9 | 667216233882 |
10 | 212013213230 |
11 | 81a06a280a5 |
12 | 3510a967892 |
13 | 16cba12bc80 |
14 | a39377c770 |
15 | 57ace54ca5 |
hex | 315cf8e62e |
212013213230 has 96 divisors (see below), whose sum is σ = 503240441760. Its totient is φ = 63567141120.
The previous prime is 212013213227. The next prime is 212013213263. The reversal of 212013213230 is 32312310212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 754841 + ... + 996900.
It is an arithmetic number, because the mean of its divisors is an integer number (5242087935).
Almost surely, 2212013213230 is an apocalyptic number.
212013213230 is an abundant number, since it is smaller than the sum of its proper divisors (291227228530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212013213230 is a wasteful number, since it uses less digits than its factorization.
212013213230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1751794 (or 1751787 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 212013213230 its reverse (32312310212), we get a palindrome (244325523442).
The spelling of 212013213230 in words is "two hundred twelve billion, thirteen million, two hundred thirteen thousand, two hundred thirty".
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