Base | Representation |
---|---|
bin | 1001001100100111… |
… | …0001010001110001 |
3 | 20101001111122020101 |
4 | 2103021301101301 |
5 | 20024003440024 |
6 | 1044551112401 |
7 | 115115361205 |
oct | 22311612161 |
9 | 6331448211 |
10 | 2468811889 |
11 | 1057641a05 |
12 | 58a972701 |
13 | 30462c74b |
14 | 195c52b05 |
15 | e6b19c44 |
hex | 93271471 |
2468811889 has 2 divisors, whose sum is σ = 2468811890. Its totient is φ = 2468811888.
The previous prime is 2468811887. The next prime is 2468811967. The reversal of 2468811889 is 9881188642.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1901657664 + 567154225 = 43608^2 + 23815^2 .
It is a cyclic number.
It is not a de Polignac number, because 2468811889 - 21 = 2468811887 is a prime.
Together with 2468811887, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2468811887) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234405944 + 1234405945.
It is an arithmetic number, because the mean of its divisors is an integer number (1234405945).
Almost surely, 22468811889 is an apocalyptic number.
It is an amenable number.
2468811889 is a deficient number, since it is larger than the sum of its proper divisors (1).
2468811889 is an equidigital number, since it uses as much as digits as its factorization.
2468811889 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1769472, while the sum is 55.
The square root of 2468811889 is about 49687.1400766838. The cubic root of 2468811889 is about 1351.5413376616.
The spelling of 2468811889 in words is "two billion, four hundred sixty-eight million, eight hundred eleven thousand, eight hundred eighty-nine".
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