Base | Representation |
---|---|
bin | 1100010101110011001… |
… | …0110001011110001011 |
3 | 202021020100121121222212 |
4 | 3011130302301132023 |
5 | 11433144103224321 |
6 | 241221322335335 |
7 | 21213545030021 |
oct | 3053462613613 |
9 | 667210547885 |
10 | 212010211211 |
11 | 81a05267697 |
12 | 3510995a54b |
13 | 16cb961a726 |
14 | a3931da711 |
15 | 57aca6055b |
hex | 315ccb178b |
212010211211 has 8 divisors (see below), whose sum is σ = 223176523920. Its totient is φ = 200844686592.
The previous prime is 212010211199. The next prime is 212010211243. The reversal of 212010211211 is 112112010212.
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 212010211211 - 234 = 194830342027 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212010211291) 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, 401891 + ... + 765203.
It is an arithmetic number, because the mean of its divisors is an integer number (27897065490).
Almost surely, 2212010211211 is an apocalyptic number.
212010211211 is a deficient number, since it is larger than the sum of its proper divisors (11166312709).
212010211211 is a wasteful number, since it uses less digits than its factorization.
212010211211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 394045.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 212010211211 its reverse (112112010212), we get a palindrome (324122221423).
The spelling of 212010211211 in words is "two hundred twelve billion, ten million, two hundred eleven thousand, two hundred eleven".
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