Base | Representation |
---|---|
bin | 111001101000000111010001… |
… | …110100010100111110101001 |
3 | 1020020101010110220200122011022 |
4 | 321220013101310110332221 |
5 | 231204421330300401400 |
6 | 2255011045514542225 |
7 | 104245546306104152 |
oct | 7150072164247651 |
9 | 1206333426618138 |
10 | 253445245325225 |
11 | 73834585755a78 |
12 | 24513477a37975 |
13 | ab55a26827b75 |
14 | 4682b5b376929 |
15 | 1e47a5c088b85 |
hex | e681d1d14fa9 |
253445245325225 has 6 divisors (see below), whose sum is σ = 314272104203310. Its totient is φ = 202756196260160.
The previous prime is 253445245325213. The next prime is 253445245325227. The reversal of 253445245325225 is 522523542544352.
253445245325225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 38523224197264 + 214922021127961 = 6206708^2 + 14660219^2 .
It is not a de Polignac number, because 253445245325225 - 214 = 253445245308841 is a prime.
It is not an unprimeable number, because it can be changed into a prime (253445245325227) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5068904906480 + ... + 5068904906529.
It is an arithmetic number, because the mean of its divisors is an integer number (52378684033885).
Almost surely, 2253445245325225 is an apocalyptic number.
253445245325225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
253445245325225 is a deficient number, since it is larger than the sum of its proper divisors (60826858878085).
253445245325225 is a wasteful number, since it uses less digits than its factorization.
253445245325225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10137809813019 (or 10137809813014 counting only the distinct ones).
The product of its digits is 57600000, while the sum is 53.
Adding to 253445245325225 its reverse (522523542544352), we get a palindrome (775968787869577).
The spelling of 253445245325225 in words is "two hundred fifty-three trillion, four hundred forty-five billion, two hundred forty-five million, three hundred twenty-five thousand, two hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •