Base | Representation |
---|---|
bin | 10011001000010111… |
… | …101110001001010011 |
3 | 1222000120111212201121 |
4 | 103020113232021103 |
5 | 314032112440312 |
6 | 13234152143111 |
7 | 1325016062425 |
oct | 231027561123 |
9 | 58016455647 |
10 | 20541530707 |
11 | 8791182065 |
12 | 3b93397a97 |
13 | 1c249411c9 |
14 | dcc1ac815 |
15 | 803589707 |
hex | 4c85ee253 |
20541530707 has 2 divisors, whose sum is σ = 20541530708. Its totient is φ = 20541530706.
The previous prime is 20541530701. The next prime is 20541530719. The reversal of 20541530707 is 70703514502.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20541530707 - 27 = 20541530579 is a prime.
It is not a weakly prime, because it can be changed into another prime (20541530701) 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, 10270765353 + 10270765354.
It is an arithmetic number, because the mean of its divisors is an integer number (10270765354).
Almost surely, 220541530707 is an apocalyptic number.
20541530707 is a deficient number, since it is larger than the sum of its proper divisors (1).
20541530707 is an equidigital number, since it uses as much as digits as its factorization.
20541530707 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 29400, while the sum is 34.
The spelling of 20541530707 in words is "twenty billion, five hundred forty-one million, five hundred thirty thousand, seven hundred seven".
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