Base | Representation |
---|---|
bin | 1100010101110011111… |
… | …0001011110100011000 |
3 | 202021020120020121120012 |
4 | 3011130332023310120 |
5 | 11433200334441322 |
6 | 241221510421052 |
7 | 21213612326423 |
oct | 3053476136430 |
9 | 667216217505 |
10 | 212013202712 |
11 | 81a06a20203 |
12 | 3510a961788 |
13 | 16cba12724c |
14 | a3937789ba |
15 | 57ace51ae2 |
hex | 315cf8bd18 |
212013202712 has 16 divisors (see below), whose sum is σ = 399905145360. Its totient is φ = 105371830624.
The previous prime is 212013202711. The next prime is 212013202759. The reversal of 212013202712 is 217202310212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212013202711) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79344923 + ... + 79347594.
It is an arithmetic number, because the mean of its divisors is an integer number (24994071585).
Almost surely, 2212013202712 is an apocalyptic number.
It is an amenable number.
212013202712 is a deficient number, since it is larger than the sum of its proper divisors (187891942648).
212013202712 is a wasteful number, since it uses less digits than its factorization.
212013202712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158692690 (or 158692686 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 23.
Adding to 212013202712 its reverse (217202310212), we get a palindrome (429215512924).
The spelling of 212013202712 in words is "two hundred twelve billion, thirteen million, two hundred two thousand, seven hundred twelve".
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