Base | Representation |
---|---|
bin | 1100010110001101111… |
… | …0000000111110011001 |
3 | 202021112011100202201121 |
4 | 3011203132000332121 |
5 | 11433411241211301 |
6 | 241240403045241 |
7 | 21216405015466 |
oct | 3054336007631 |
9 | 667464322647 |
10 | 212122210201 |
11 | 81a62504140 |
12 | 3513b370821 |
13 | 170068a2915 |
14 | a3a403266d |
15 | 57b77d53a1 |
hex | 3163780f99 |
212122210201 has 8 divisors (see below), whose sum is σ = 231623751744. Its totient is φ = 192656952720.
The previous prime is 212122210187. The next prime is 212122210219. The reversal of 212122210201 is 102012221212.
It is a happy number.
212122210201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212122210201 - 27 = 212122210073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212122219201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9058786 + ... + 9082171.
It is an arithmetic number, because the mean of its divisors is an integer number (28952968968).
Almost surely, 2212122210201 is an apocalyptic number.
It is an amenable number.
212122210201 is a deficient number, since it is larger than the sum of its proper divisors (19501541543).
212122210201 is a wasteful number, since it uses less digits than its factorization.
212122210201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18142031.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 212122210201 its reverse (102012221212), we get a palindrome (314134431413).
The spelling of 212122210201 in words is "two hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, two hundred one".
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