Base | Representation |
---|---|
bin | 1110101100000111… |
… | …10000000111101001 |
3 | 202100121102021121002 |
4 | 13112003300013221 |
5 | 112122341300144 |
6 | 3342314124345 |
7 | 366300142352 |
oct | 72603600751 |
9 | 22317367532 |
10 | 7886275049 |
11 | 3387662194 |
12 | 16411206b5 |
13 | 988b05453 |
14 | 54b542d29 |
15 | 31253414e |
hex | 1d60f01e9 |
7886275049 has 2 divisors, whose sum is σ = 7886275050. Its totient is φ = 7886275048.
The previous prime is 7886275043. The next prime is 7886275141. The reversal of 7886275049 is 9405726887.
7886275049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4534675600 + 3351599449 = 67340^2 + 57893^2 .
It is a cyclic number.
It is not a de Polignac number, because 7886275049 - 224 = 7869497833 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 7886274985 and 7886275003.
It is not a weakly prime, because it can be changed into another prime (7886275043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3943137524 + 3943137525.
It is an arithmetic number, because the mean of its divisors is an integer number (3943137525).
Almost surely, 27886275049 is an apocalyptic number.
It is an amenable number.
7886275049 is a deficient number, since it is larger than the sum of its proper divisors (1).
7886275049 is an equidigital number, since it uses as much as digits as its factorization.
7886275049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6773760, while the sum is 56.
The square root of 7886275049 is about 88804.7017280054. The cubic root of 7886275049 is about 1990.4776551778.
The spelling of 7886275049 in words is "seven billion, eight hundred eighty-six million, two hundred seventy-five thousand, forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •