Base | Representation |
---|---|
bin | 1100010101110001010… |
… | …0010000100101110011 |
3 | 202021012210120020102121 |
4 | 3011130110100211303 |
5 | 11433140031242321 |
6 | 241220435055111 |
7 | 21213420033226 |
oct | 3053424204563 |
9 | 667183506377 |
10 | 212002212211 |
11 | 81a007a3949 |
12 | 35107141497 |
13 | 16cb7a798aa |
14 | a3921175bd |
15 | 57abed0441 |
hex | 315c510973 |
212002212211 has 16 divisors (see below), whose sum is σ = 226298196000. Its totient is φ = 198039714048.
The previous prime is 212002212193. The next prime is 212002212223. The reversal of 212002212211 is 112212200212.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 212002212211 - 27 = 212002212083 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212002216211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114541 + ... + 661153.
It is an arithmetic number, because the mean of its divisors is an integer number (14143637250).
Almost surely, 2212002212211 is an apocalyptic number.
212002212211 is a deficient number, since it is larger than the sum of its proper divisors (14295983789).
212002212211 is a wasteful number, since it uses less digits than its factorization.
212002212211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 546918.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 212002212211 its reverse (112212200212), we get a palindrome (324214412423).
The spelling of 212002212211 in words is "two hundred twelve billion, two million, two hundred twelve thousand, two hundred eleven".
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