Base | Representation |
---|---|
bin | 10011000110111000… |
… | …010101010100010001 |
3 | 1221221211110110210111 |
4 | 103012320111110101 |
5 | 314004212302304 |
6 | 13231500201321 |
7 | 1324263405436 |
oct | 230670252421 |
9 | 57854413714 |
10 | 20516525329 |
11 | 8779053163 |
12 | 3b86b39241 |
13 | 1c1c6c7721 |
14 | dc8b3db8d |
15 | 80129a704 |
hex | 4c6e15511 |
20516525329 has 2 divisors, whose sum is σ = 20516525330. Its totient is φ = 20516525328.
The previous prime is 20516525273. The next prime is 20516525353. The reversal of 20516525329 is 92352561502.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11189408400 + 9327116929 = 105780^2 + 96577^2 .
It is a cyclic number.
It is not a de Polignac number, because 20516525329 - 27 = 20516525201 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20516525291 and 20516525300.
It is not a weakly prime, because it can be changed into another prime (20516525129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10258262664 + 10258262665.
It is an arithmetic number, because the mean of its divisors is an integer number (10258262665).
Almost surely, 220516525329 is an apocalyptic number.
It is an amenable number.
20516525329 is a deficient number, since it is larger than the sum of its proper divisors (1).
20516525329 is an equidigital number, since it uses as much as digits as its factorization.
20516525329 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 162000, while the sum is 40.
The spelling of 20516525329 in words is "twenty billion, five hundred sixteen million, five hundred twenty-five thousand, three hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •