Base | Representation |
---|---|
bin | 11110101110111110001… |
… | …101101110011000001011 |
3 | 21110220111022122012010121 |
4 | 132232332031232120023 |
5 | 234100404133224321 |
6 | 4254125414524111 |
7 | 305405554406101 |
oct | 36567615563013 |
9 | 7426438565117 |
10 | 2112020211211 |
11 | 744780392539 |
12 | 2a13a7366637 |
13 | 124216463c11 |
14 | 743180adc71 |
15 | 39e1262b441 |
hex | 1ebbe36e60b |
2112020211211 has 16 divisors (see below), whose sum is σ = 2166077487168. Its totient is φ = 2058597273600.
The previous prime is 2112020211179. The next prime is 2112020211227. The reversal of 2112020211211 is 1121120202112.
It is a cyclic number.
It is not a de Polignac number, because 2112020211211 - 25 = 2112020211179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2112020211911) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37407675 + ... + 37464091.
It is an arithmetic number, because the mean of its divisors is an integer number (135379842948).
Almost surely, 22112020211211 is an apocalyptic number.
2112020211211 is a deficient number, since it is larger than the sum of its proper divisors (54057275957).
2112020211211 is a wasteful number, since it uses less digits than its factorization.
2112020211211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62022.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 2112020211211 its reverse (1121120202112), we get a palindrome (3233140413323).
Subtracting from 2112020211211 its reverse (1121120202112), we obtain a palindrome (990900009099).
It can be divided in two parts, 21120202112 and 11, that multiplied together give a palindrome (232322223232).
The spelling of 2112020211211 in words is "two trillion, one hundred twelve billion, twenty million, two hundred eleven thousand, two hundred eleven".
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