Base | Representation |
---|---|
bin | 11001010010010… |
… | …01001010100001 |
3 | 112210010102000020 |
4 | 30221021022201 |
5 | 413300041113 |
6 | 33014144053 |
7 | 5153631300 |
oct | 1451111241 |
9 | 483112006 |
10 | 212112033 |
11 | a9805a01 |
12 | 5b052029 |
13 | 34c382a3 |
14 | 20256437 |
15 | 1394d023 |
hex | ca492a1 |
212112033 has 12 divisors (see below), whose sum is σ = 328990320. Its totient is φ = 121206792.
The previous prime is 212112023. The next prime is 212112059. The reversal of 212112033 is 330211212.
It is not a de Polignac number, because 212112033 - 25 = 212112001 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (212112023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721323 + ... + 721616.
It is an arithmetic number, because the mean of its divisors is an integer number (27415860).
Almost surely, 2212112033 is an apocalyptic number.
It is an amenable number.
212112033 is a deficient number, since it is larger than the sum of its proper divisors (116878287).
212112033 is a wasteful number, since it uses less digits than its factorization.
212112033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1442956 (or 1442949 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 212112033 is about 14564.0664994362. The cubic root of 212112033 is about 596.3782123011.
Adding to 212112033 its reverse (330211212), we get a palindrome (542323245).
The spelling of 212112033 in words is "two hundred twelve million, one hundred twelve thousand, thirty-three".
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