Base | Representation |
---|---|
bin | 1100010110001011011… |
… | …1000111011110011011 |
3 | 202021111110011201002022 |
4 | 3011202313013132123 |
5 | 11433401133410321 |
6 | 241235400325055 |
7 | 21216222235610 |
oct | 3054267073633 |
9 | 667443151068 |
10 | 212112013211 |
11 | 81a57779a7a |
12 | 35137a7378b |
13 | 170047424b7 |
14 | a3a293a507 |
15 | 57b696ddab |
hex | 3162dc779b |
212112013211 has 8 divisors (see below), whose sum is σ = 255172346880. Its totient is φ = 172241333928.
The previous prime is 212112013147. The next prime is 212112013213. The reversal of 212112013211 is 112310211212.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212112013211 - 26 = 212112013147 is a prime.
It is a super-2 number, since 2×2121120132112 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 212112013211.
It is not an unprimeable number, because it can be changed into a prime (212112013213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797413451 + ... + 797413716.
It is an arithmetic number, because the mean of its divisors is an integer number (31896543360).
Almost surely, 2212112013211 is an apocalyptic number.
212112013211 is a deficient number, since it is larger than the sum of its proper divisors (43060333669).
212112013211 is a wasteful number, since it uses less digits than its factorization.
212112013211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1594827193.
The product of its (nonzero) digits is 48, while the sum is 17.
Adding to 212112013211 its reverse (112310211212), we get a palindrome (324422224423).
The spelling of 212112013211 in words is "two hundred twelve billion, one hundred twelve million, thirteen thousand, two hundred eleven".
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