Base | Representation |
---|---|
bin | 1100010110001011011… |
… | …1111111011000100011 |
3 | 202021111110121100012210 |
4 | 3011202313333120203 |
5 | 11433401213222321 |
6 | 241235405253203 |
7 | 21216224211342 |
oct | 3054267773043 |
9 | 667443540183 |
10 | 212112242211 |
11 | 81a57916031 |
12 | 35137b64203 |
13 | 170047c27bc |
14 | a3a2999b59 |
15 | 57b69b6b76 |
hex | 3162dff623 |
212112242211 has 16 divisors (see below), whose sum is σ = 291106980000. Its totient is φ = 137279858688.
The previous prime is 212112242203. The next prime is 212112242227. The reversal of 212112242211 is 112242211212.
It is not a de Polignac number, because 212112242211 - 23 = 212112242203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212112242201) 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, 2078136 + ... + 2177813.
It is an arithmetic number, because the mean of its divisors is an integer number (18194186250).
Almost surely, 2212112242211 is an apocalyptic number.
212112242211 is a deficient number, since it is larger than the sum of its proper divisors (78994737789).
212112242211 is a wasteful number, since it uses less digits than its factorization.
212112242211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4256438.
The product of its digits is 256, while the sum is 21.
Adding to 212112242211 its reverse (112242211212), we get a palindrome (324354453423).
The spelling of 212112242211 in words is "two hundred twelve billion, one hundred twelve million, two hundred forty-two thousand, two hundred eleven".
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