Base | Representation |
---|---|
bin | 111110111100100… |
… | …1001000001000101 |
3 | 12110012100101020022 |
4 | 1331321021001011 |
5 | 13311201144031 |
6 | 545330144525 |
7 | 103224550511 |
oct | 17571110105 |
9 | 5405311208 |
10 | 2112131141 |
11 | 99427442a |
12 | 4ab422145 |
13 | 278777753 |
14 | 160727141 |
15 | c566197b |
hex | 7de49045 |
2112131141 has 2 divisors, whose sum is σ = 2112131142. Its totient is φ = 2112131140.
The previous prime is 2112131137. The next prime is 2112131149. The reversal of 2112131141 is 1411312112.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1941724225 + 170406916 = 44065^2 + 13054^2 .
It is a cyclic number.
It is not a de Polignac number, because 2112131141 - 22 = 2112131137 is a prime.
It is a super-2 number, since 2×21121311412 = 8922195913563923762, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2112131149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056065570 + 1056065571.
It is an arithmetic number, because the mean of its divisors is an integer number (1056065571).
Almost surely, 22112131141 is an apocalyptic number.
It is an amenable number.
2112131141 is a deficient number, since it is larger than the sum of its proper divisors (1).
2112131141 is an equidigital number, since it uses as much as digits as its factorization.
2112131141 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 48, while the sum is 17.
The square root of 2112131141 is about 45957.9279450238. The cubic root of 2112131141 is about 1283.0402869575.
Adding to 2112131141 its reverse (1411312112), we get a palindrome (3523443253).
The spelling of 2112131141 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, one hundred forty-one".
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