Base | Representation |
---|---|
bin | 11001000011101… |
… | …11100101010100 |
3 | 112122112112001211 |
4 | 30201313211110 |
5 | 412303030022 |
6 | 32505231204 |
7 | 5131466413 |
oct | 1441674524 |
9 | 478475054 |
10 | 210205012 |
11 | a8723156 |
12 | 5a492504 |
13 | 3471b284 |
14 | 1dcbb47a |
15 | 136c2e77 |
hex | c877954 |
210205012 has 12 divisors (see below), whose sum is σ = 367960320. Its totient is φ = 105073496.
The previous prime is 210205007. The next prime is 210205013. The reversal of 210205012 is 210502012.
210205012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2102050122 = 88372294139840288, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 210204983 and 210205001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210205013) 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, 24333 + ... + 31819.
It is an arithmetic number, because the mean of its divisors is an integer number (30663360).
Almost surely, 2210205012 is an apocalyptic number.
It is an amenable number.
210205012 is a deficient number, since it is larger than the sum of its proper divisors (157755308).
210205012 is a wasteful number, since it uses less digits than its factorization.
210205012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14510 (or 14508 counting only the distinct ones).
The product of its (nonzero) digits is 40, while the sum is 13.
The square root of 210205012 is about 14498.4486066613. The cubic root of 210205012 is about 594.5855570221.
Adding to 210205012 its reverse (210502012), we get a palindrome (420707024).
The spelling of 210205012 in words is "two hundred ten million, two hundred five thousand, twelve".
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