Base | Representation |
---|---|
bin | 111111011110101… |
… | …1101111010001111 |
3 | 12111110001101000101 |
4 | 1332331131322033 |
5 | 13330242330021 |
6 | 551210111531 |
7 | 103533030322 |
oct | 17675357217 |
9 | 5443041011 |
10 | 2130042511 |
11 | 9a3398513 |
12 | 4b541b5a7 |
13 | 27c3a92ac |
14 | 162c6a7b9 |
15 | c6eeda91 |
hex | 7ef5de8f |
2130042511 has 2 divisors, whose sum is σ = 2130042512. Its totient is φ = 2130042510.
The previous prime is 2130042479. The next prime is 2130042521. The reversal of 2130042511 is 1152400312.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2130042511 - 25 = 2130042479 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2130042521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065021255 + 1065021256.
It is an arithmetic number, because the mean of its divisors is an integer number (1065021256).
Almost surely, 22130042511 is an apocalyptic number.
2130042511 is a deficient number, since it is larger than the sum of its proper divisors (1).
2130042511 is an equidigital number, since it uses as much as digits as its factorization.
2130042511 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 2130042511 is about 46152.3835895829. The cubic root of 2130042511 is about 1286.6569109020.
Adding to 2130042511 its reverse (1152400312), we get a palindrome (3282442823).
The spelling of 2130042511 in words is "two billion, one hundred thirty million, forty-two thousand, five hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •