Base | Representation |
---|---|
bin | 11110101111000011000… |
… | …101110001010001101100 |
3 | 21110220201000120002201220 |
4 | 132233003011301101230 |
5 | 234101041103341022 |
6 | 4254141500103340 |
7 | 305410566612306 |
oct | 36570305612154 |
9 | 7426630502656 |
10 | 2112102012012 |
11 | 744812583703 |
12 | 2a140a834b50 |
13 | 12422a3a4b65 |
14 | 74324cc4976 |
15 | 39e198d885c |
hex | 1ebc317146c |
2112102012012 has 12 divisors (see below), whose sum is σ = 4928238028056. Its totient is φ = 704034004000.
The previous prime is 2112102011989. The next prime is 2112102012023. The reversal of 2112102012012 is 2102102012112.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 2112102011982 and 2112102012000.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88004250489 + ... + 88004250512.
It is an arithmetic number, because the mean of its divisors is an integer number (410686502338).
Almost surely, 22112102012012 is an apocalyptic number.
It is an amenable number.
2112102012012 is an abundant number, since it is smaller than the sum of its proper divisors (2816136016044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112102012012 is a wasteful number, since it uses less digits than its factorization.
2112102012012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176008501008 (or 176008501006 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 2112102012012 its reverse (2102102012112), we get a palindrome (4214204024124).
It can be divided in two parts, 211210 and 2012012, that added together give a palindrome (2223222).
The spelling of 2112102012012 in words is "two trillion, one hundred twelve billion, one hundred two million, twelve thousand, twelve".
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