Base | Representation |
---|---|
bin | 10111110011100000… |
… | …001010000111111001 |
3 | 2102222022220010210000 |
4 | 113303200022013321 |
5 | 404321343130131 |
6 | 15424150143213 |
7 | 1563255343365 |
oct | 276340120771 |
9 | 72868803700 |
10 | 25560130041 |
11 | a927033016 |
12 | 4b54051b09 |
13 | 25445b2804 |
14 | 13469122a5 |
15 | 9e8e66ce6 |
hex | 5f380a1f9 |
25560130041 has 20 divisors (see below), whose sum is σ = 38376259812. Its totient is φ = 16953578208.
The previous prime is 25560130021. The next prime is 25560130049. The reversal of 25560130041 is 14003106552.
25560130041 is a `hidden beast` number, since 2 + 55 + 601 + 3 + 0 + 0 + 4 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 23599411641 + 1960718400 = 153621^2 + 44280^2 .
It is not a de Polignac number, because 25560130041 - 27 = 25560129913 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 25560129987 and 25560130014.
It is not an unprimeable number, because it can be changed into a prime (25560130049) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 784950 + ... + 816863.
Almost surely, 225560130041 is an apocalyptic number.
It is an amenable number.
25560130041 is a deficient number, since it is larger than the sum of its proper divisors (12816129771).
25560130041 is a wasteful number, since it uses less digits than its factorization.
25560130041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1602022 (or 1602013 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
Adding to 25560130041 its reverse (14003106552), we get a palindrome (39563236593).
The spelling of 25560130041 in words is "twenty-five billion, five hundred sixty million, one hundred thirty thousand, forty-one".
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