Base | Representation |
---|---|
bin | 1100010110001011011… |
… | …1001001001011110011 |
3 | 202021111110012001200120 |
4 | 3011202313021023303 |
5 | 11433401134121321 |
6 | 241235400421323 |
7 | 21216222265200 |
oct | 3054267111363 |
9 | 667443161616 |
10 | 212112020211 |
11 | 81a57784263 |
12 | 35137a77843 |
13 | 17004745740 |
14 | a3a293cca7 |
15 | 57b6970ec6 |
hex | 3162dc92f3 |
212112020211 has 48 divisors (see below), whose sum is σ = 363872716704. Its totient is φ = 108859355136.
The previous prime is 212112020209. The next prime is 212112020221. The reversal of 212112020211 is 112020211212.
It is not a de Polignac number, because 212112020211 - 21 = 212112020209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212112020221) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1429230 + ... + 1570643.
It is an arithmetic number, because the mean of its divisors is an integer number (7580681598).
Almost surely, 2212112020211 is an apocalyptic number.
212112020211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
212112020211 is a deficient number, since it is larger than the sum of its proper divisors (151760696493).
212112020211 is a wasteful number, since it uses less digits than its factorization.
212112020211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2999940 (or 2999933 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 212112020211 its reverse (112020211212), we get a palindrome (324132231423).
It can be divided in two parts, 212 and 112020211, that multiplied together give a palindrome (23748284732).
The spelling of 212112020211 in words is "two hundred twelve billion, one hundred twelve million, twenty thousand, two hundred eleven".
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