Base | Representation |
---|---|
bin | 1100010101110101110… |
… | …0101100010101010011 |
3 | 202021021010021221001212 |
4 | 3011131130230111103 |
5 | 11433204411401321 |
6 | 241222354050335 |
7 | 21214040315642 |
oct | 3053534542523 |
9 | 667233257055 |
10 | 212021200211 |
11 | 81a10492907 |
12 | 351115799ab |
13 | 16cbb9974b2 |
14 | a39485b359 |
15 | 57ad9d155b |
hex | 315d72c553 |
212021200211 has 8 divisors (see below), whose sum is σ = 212447438784. Its totient is φ = 211595103720.
The previous prime is 212021200207. The next prime is 212021200229. The reversal of 212021200211 is 112002120212.
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 212021200211 - 22 = 212021200207 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212021200231) 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, 3255776 + ... + 3320258.
It is an arithmetic number, because the mean of its divisors is an integer number (26555929848).
Almost surely, 2212021200211 is an apocalyptic number.
212021200211 is a deficient number, since it is larger than the sum of its proper divisors (426238573).
212021200211 is an equidigital number, since it uses as much as digits as its factorization.
212021200211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71041.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 212021200211 its reverse (112002120212), we get a palindrome (324023320423).
The spelling of 212021200211 in words is "two hundred twelve billion, twenty-one million, two hundred thousand, two hundred eleven".
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