Base | Representation |
---|---|
bin | 1011100000101111… |
… | …01110011101110001 |
3 | 120221201012110210002 |
4 | 11300113232131301 |
5 | 100124120010441 |
6 | 2501131515345 |
7 | 306103063124 |
oct | 56027563561 |
9 | 16851173702 |
10 | 6180235121 |
11 | 2691644135 |
12 | 12458b8b55 |
13 | 776522978 |
14 | 428b283bb |
15 | 26288ab9b |
hex | 1705ee771 |
6180235121 has 2 divisors, whose sum is σ = 6180235122. Its totient is φ = 6180235120.
The previous prime is 6180235111. The next prime is 6180235123. The reversal of 6180235121 is 1215320816.
6180235121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4774810000 + 1405425121 = 69100^2 + 37489^2 .
It is a cyclic number.
It is not a de Polignac number, because 6180235121 - 26 = 6180235057 is a prime.
Together with 6180235123, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (6180235123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3090117560 + 3090117561.
It is an arithmetic number, because the mean of its divisors is an integer number (3090117561).
Almost surely, 26180235121 is an apocalyptic number.
It is an amenable number.
6180235121 is a deficient number, since it is larger than the sum of its proper divisors (1).
6180235121 is an equidigital number, since it uses as much as digits as its factorization.
6180235121 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2880, while the sum is 29.
The square root of 6180235121 is about 78614.4714476921. The cubic root of 6180235121 is about 1835.1363282510.
Adding to 6180235121 its reverse (1215320816), we get a palindrome (7395555937).
The spelling of 6180235121 in words is "six billion, one hundred eighty million, two hundred thirty-five thousand, one hundred twenty-one".
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