Base | Representation |
---|---|
bin | 11001010010010… |
… | …11100110011110 |
3 | 112210010220200220 |
4 | 30221023212132 |
5 | 413300401024 |
6 | 33014302210 |
7 | 5154002346 |
oct | 1451134636 |
9 | 483126626 |
10 | 212122014 |
11 | a9812455 |
12 | 5b057966 |
13 | 34c3c9b0 |
14 | 20259d26 |
15 | 13950e79 |
hex | ca4b99e |
212122014 has 32 divisors (see below), whose sum is σ = 463325184. Its totient is φ = 64347360.
The previous prime is 212122007. The next prime is 212122019. The reversal of 212122014 is 410221212.
It is a junction number, because it is equal to n+sod(n) for n = 212121984 and 212122002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212122019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13614 + ... + 24689.
It is an arithmetic number, because the mean of its divisors is an integer number (14478912).
Almost surely, 2212122014 is an apocalyptic number.
212122014 is an abundant number, since it is smaller than the sum of its proper divisors (251203170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212122014 is a wasteful number, since it uses less digits than its factorization.
212122014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38392.
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 212122014 is about 14564.4091538243. The cubic root of 212122014 is about 596.3875664107.
Adding to 212122014 its reverse (410221212), we get a palindrome (622343226).
The spelling of 212122014 in words is "two hundred twelve million, one hundred twenty-two thousand, fourteen".
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