Base | Representation |
---|---|
bin | 1001001101101001111101… |
… | …00011011001010001110101 |
3 | 2122201212122211012101011121 |
4 | 10212310332203121101311 |
5 | 10123421310002414310 |
6 | 111031300504303541 |
7 | 4160523565143316 |
oct | 446647643312165 |
9 | 78655584171147 |
10 | 20260410201205 |
11 | 6501434409559 |
12 | 233272a471bb1 |
13 | b3c7190339a5 |
14 | 50087549060d |
15 | 252046a890da |
hex | 126d3e8d9475 |
20260410201205 has 16 divisors (see below), whose sum is σ = 25742755738224. Its totient is φ = 15254827822080.
The previous prime is 20260410201203. The next prime is 20260410201221. The reversal of 20260410201205 is 50210201406202.
It can be written as a sum of positive squares in 8 ways, for example, as 73082634244 + 20187327566961 = 270338^2 + 4493031^2 .
It is not a de Polignac number, because 20260410201205 - 21 = 20260410201203 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20260410201205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20260410201203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25766575 + ... + 26541235.
It is an arithmetic number, because the mean of its divisors is an integer number (1608922233639).
Almost surely, 220260410201205 is an apocalyptic number.
It is an amenable number.
20260410201205 is a deficient number, since it is larger than the sum of its proper divisors (5482345537019).
20260410201205 is a wasteful number, since it uses less digits than its factorization.
20260410201205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1082376.
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 20260410201205 its reverse (50210201406202), we get a palindrome (70470611607407).
The spelling of 20260410201205 in words is "twenty trillion, two hundred sixty billion, four hundred ten million, two hundred one thousand, two hundred five".
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