Base | Representation |
---|---|
bin | 11110101101010010010… |
… | …100010100100010111111 |
3 | 21110201211011101222200012 |
4 | 132231102110110202333 |
5 | 234033202230013322 |
6 | 4253230031453435 |
7 | 305312654025416 |
oct | 36552224244277 |
9 | 7421734358605 |
10 | 2110210001087 |
11 | 743a31594911 |
12 | 2a0b8108727b |
13 | 123cb840a776 |
14 | 741c58da47d |
15 | 39d58757ae2 |
hex | 1eb525148bf |
2110210001087 has 2 divisors, whose sum is σ = 2110210001088. Its totient is φ = 2110210001086.
The previous prime is 2110210001077. The next prime is 2110210001089. The reversal of 2110210001087 is 7801000120112.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2110210001087 is a prime.
Together with 2110210001089, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2110210001089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055105000543 + 1055105000544.
It is an arithmetic number, because the mean of its divisors is an integer number (1055105000544).
Almost surely, 22110210001087 is an apocalyptic number.
2110210001087 is a deficient number, since it is larger than the sum of its proper divisors (1).
2110210001087 is an equidigital number, since it uses as much as digits as its factorization.
2110210001087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 224, while the sum is 23.
Adding to 2110210001087 its reverse (7801000120112), we get a palindrome (9911210121199).
The spelling of 2110210001087 in words is "two trillion, one hundred ten billion, two hundred ten million, one thousand, eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •