Base | Representation |
---|---|
bin | 1100010110100111100… |
… | …1001111100101001101 |
3 | 202021210200012121220200 |
4 | 3011221321033211031 |
5 | 11434121340324323 |
6 | 241255213404113 |
7 | 21222154221243 |
oct | 3055171174515 |
9 | 667720177820 |
10 | 212230011213 |
11 | 82008343690 |
12 | 3516b499639 |
13 | 170230180bc |
14 | a3b4494793 |
15 | 57c1ecb443 |
hex | 3169e4f94d |
212230011213 has 96 divisors (see below), whose sum is σ = 347313837312. Its totient is φ = 123752448000.
The previous prime is 212230011209. The next prime is 212230011223. The reversal of 212230011213 is 312110032212.
212230011213 is a `hidden beast` number, since 212 + 230 + 0 + 11 + 213 = 666.
It is not a de Polignac number, because 212230011213 - 22 = 212230011209 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212230011223) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 142149295 + ... + 142150787.
It is an arithmetic number, because the mean of its divisors is an integer number (3617852472).
Almost surely, 2212230011213 is an apocalyptic number.
It is an amenable number.
212230011213 is a deficient number, since it is larger than the sum of its proper divisors (135083826099).
212230011213 is a wasteful number, since it uses less digits than its factorization.
212230011213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1955 (or 1952 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 212230011213 its reverse (312110032212), we get a palindrome (524340043425).
The spelling of 212230011213 in words is "two hundred twelve billion, two hundred thirty million, eleven thousand, two hundred thirteen".
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