Base | Representation |
---|---|
bin | 111111100010101… |
… | …0110101100011111 |
3 | 12111120221102020011 |
4 | 1333011112230133 |
5 | 13331310010421 |
6 | 551322304051 |
7 | 103556431315 |
oct | 17705265437 |
9 | 5446842204 |
10 | 2132110111 |
11 | 9a457a97a |
12 | 4b6058027 |
13 | 27c951421 |
14 | 1632480b5 |
15 | c72ab4e1 |
hex | 7f156b1f |
2132110111 has 2 divisors, whose sum is σ = 2132110112. Its totient is φ = 2132110110.
The previous prime is 2132110109. The next prime is 2132110171. The reversal of 2132110111 is 1110112312.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2132110111 - 21 = 2132110109 is a prime.
Together with 2132110109, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 2132110091 and 2132110100.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2132110171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066055055 + 1066055056.
It is an arithmetic number, because the mean of its divisors is an integer number (1066055056).
Almost surely, 22132110111 is an apocalyptic number.
2132110111 is a deficient number, since it is larger than the sum of its proper divisors (1).
2132110111 is an equidigital number, since it uses as much as digits as its factorization.
2132110111 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12, while the sum is 13.
The square root of 2132110111 is about 46174.7778662767. Note that the first 3 decimals coincide. The cubic root of 2132110111 is about 1287.0730890629.
Adding to 2132110111 its reverse (1110112312), we get a palindrome (3242222423).
The spelling of 2132110111 in words is "two billion, one hundred thirty-two million, one hundred ten thousand, one hundred eleven".
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