Base | Representation |
---|---|
bin | 1100010110001011011… |
… | …1100100000100001001 |
3 | 202021111110101122201102 |
4 | 3011202313210010021 |
5 | 11433401201132223 |
6 | 241235403031145 |
7 | 21216223234166 |
oct | 3054267440411 |
9 | 667443348642 |
10 | 212112130313 |
11 | 81a57849a56 |
12 | 35137b0b4b5 |
13 | 170047838a5 |
14 | a3a296b06d |
15 | 57b6993928 |
hex | 3162de4109 |
212112130313 has 16 divisors (see below), whose sum is σ = 219488505600. Its totient is φ = 204842373120.
The previous prime is 212112130247. The next prime is 212112130367. The reversal of 212112130313 is 313031211212.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 212112130313 - 210 = 212112129289 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212112132313) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11346308 + ... + 11364986.
It is an arithmetic number, because the mean of its divisors is an integer number (13718031600).
Almost surely, 2212112130313 is an apocalyptic number.
It is an amenable number.
212112130313 is a deficient number, since it is larger than the sum of its proper divisors (7376375287).
212112130313 is a wasteful number, since it uses less digits than its factorization.
212112130313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21512.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 212112130313 its reverse (313031211212), we get a palindrome (525143341525).
The spelling of 212112130313 in words is "two hundred twelve billion, one hundred twelve million, one hundred thirty thousand, three hundred thirteen".
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