Base | Representation |
---|---|
bin | 1100010110100000101… |
… | …1000101010010011101 |
3 | 202021201122212110202010 |
4 | 3011220023011102131 |
5 | 11434041442230323 |
6 | 241252302421433 |
7 | 21221353604646 |
oct | 3055013052235 |
9 | 667648773663 |
10 | 212201133213 |
11 | 81aa300a173 |
12 | 35161891879 |
13 | 1701a046a24 |
14 | a3b06d86cd |
15 | 57be6c4c93 |
hex | 31682c549d |
212201133213 has 16 divisors (see below), whose sum is σ = 283460544000. Its totient is φ = 141204663600.
The previous prime is 212201133203. The next prime is 212201133233. The reversal of 212201133213 is 312331102212.
It is not a de Polignac number, because 212201133213 - 217 = 212201002141 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 212201133213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212201133203) 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, 15769138 + ... + 15782588.
It is an arithmetic number, because the mean of its divisors is an integer number (17716284000).
Almost surely, 2212201133213 is an apocalyptic number.
It is an amenable number.
212201133213 is a deficient number, since it is larger than the sum of its proper divisors (71259410787).
212201133213 is a wasteful number, since it uses less digits than its factorization.
212201133213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22832.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 212201133213 its reverse (312331102212), we get a palindrome (524532235425).
The spelling of 212201133213 in words is "two hundred twelve billion, two hundred one million, one hundred thirty-three thousand, two hundred thirteen".
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