Base | Representation |
---|---|
bin | 11101010001111011001… |
… | …010110000000001000011 |
3 | 21010100121111000222212112 |
4 | 131101323022300001003 |
5 | 230431300421011321 |
6 | 4140203500045535 |
7 | 265240663146206 |
oct | 35217312600103 |
9 | 7110544028775 |
10 | 2012111110211 |
11 | 7063712a2184 |
12 | 285b63b338ab |
13 | 11798372c687 |
14 | 6d55b15193d |
15 | 37516399a5b |
hex | 1d47b2b0043 |
2012111110211 has 4 divisors (see below), whose sum is σ = 2012176791000. Its totient is φ = 2012045429424.
The previous prime is 2012111110129. The next prime is 2012111110213. The reversal of 2012111110211 is 1120111112102.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2012111110211 - 214 = 2012111093827 is a prime.
It is a super-2 number, since 2×20121111102112 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2012111110213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32794421 + ... + 32855718.
It is an arithmetic number, because the mean of its divisors is an integer number (503044197750).
Almost surely, 22012111110211 is an apocalyptic number.
2012111110211 is a deficient number, since it is larger than the sum of its proper divisors (65680789).
2012111110211 is an equidigital number, since it uses as much as digits as its factorization.
2012111110211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65680788.
The product of its (nonzero) digits is 8, while the sum is 14.
Adding to 2012111110211 its reverse (1120111112102), we get a palindrome (3132222222313).
The spelling of 2012111110211 in words is "two trillion, twelve billion, one hundred eleven million, one hundred ten thousand, two hundred eleven".
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