Base | Representation |
---|---|
bin | 1010100110010101… |
… | …01100101101001101 |
3 | 112200120021012210001 |
4 | 11103022230231031 |
5 | 43123202441111 |
6 | 2340350244301 |
7 | 261003405613 |
oct | 52312545515 |
9 | 15616235701 |
10 | 5690280781 |
11 | 2460019199 |
12 | 11297b6691 |
13 | 6c8b77163 |
14 | 3bda296b3 |
15 | 2348591c1 |
hex | 1532acb4d |
5690280781 has 2 divisors, whose sum is σ = 5690280782. Its totient is φ = 5690280780.
The previous prime is 5690280779. The next prime is 5690280811. The reversal of 5690280781 is 1870820965.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5525543556 + 164737225 = 74334^2 + 12835^2 .
It is a cyclic number.
It is not a de Polignac number, because 5690280781 - 21 = 5690280779 is a prime.
It is a super-2 number, since 2×56902807812 = 64758590733235939922, which contains 22 as substring.
Together with 5690280779, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5690280481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845140390 + 2845140391.
It is an arithmetic number, because the mean of its divisors is an integer number (2845140391).
Almost surely, 25690280781 is an apocalyptic number.
It is an amenable number.
5690280781 is a deficient number, since it is larger than the sum of its proper divisors (1).
5690280781 is an equidigital number, since it uses as much as digits as its factorization.
5690280781 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 241920, while the sum is 46.
The square root of 5690280781 is about 75433.9497905287. The cubic root of 5690280781 is about 1785.3001120619.
The spelling of 5690280781 in words is "five billion, six hundred ninety million, two hundred eighty thousand, seven hundred eighty-one".
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