Base | Representation |
---|---|
bin | 1100010101110011101… |
… | …0101111100000101011 |
3 | 202021020111112202201200 |
4 | 3011130322233200223 |
5 | 11433200122102311 |
6 | 241221435215243 |
7 | 21213601550526 |
oct | 3053472574053 |
9 | 667214482650 |
10 | 212012300331 |
11 | 81a06464237 |
12 | 3510a5a7523 |
13 | 16cb9b9c5b0 |
14 | a3935c1bbd |
15 | 57acd24556 |
hex | 315ceaf82b |
212012300331 has 24 divisors (see below), whose sum is σ = 329817720960. Its totient is φ = 130460875776.
The previous prime is 212012300309. The next prime is 212012300347. The reversal of 212012300331 is 133003210212.
212012300331 is a `hidden beast` number, since 2 + 1 + 20 + 12 + 300 + 331 = 666.
It is not a de Polignac number, because 212012300331 - 211 = 212012298283 is a prime.
It is a super-2 number, since 2×2120123003312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (212012300371) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2176390 + ... + 2271716.
It is an arithmetic number, because the mean of its divisors is an integer number (13742405040).
Almost surely, 2212012300331 is an apocalyptic number.
212012300331 is a deficient number, since it is larger than the sum of its proper divisors (117805420629).
212012300331 is a wasteful number, since it uses less digits than its factorization.
212012300331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114355 (or 114352 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 212012300331 its reverse (133003210212), we get a palindrome (345015510543).
The spelling of 212012300331 in words is "two hundred twelve billion, twelve million, three hundred thousand, three hundred thirty-one".
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