Base | Representation |
---|---|
bin | 10111100100001011… |
… | …011001101001010000 |
3 | 2102022102010010022022 |
4 | 113210023121221100 |
5 | 403310033432402 |
6 | 15342443431012 |
7 | 1554014131535 |
oct | 274413315120 |
9 | 72272103268 |
10 | 25303030352 |
11 | a8049a0236 |
12 | 4aa1b25468 |
13 | 2503255712 |
14 | 1320708d8c |
15 | 9d15ce2a2 |
hex | 5e42d9a50 |
25303030352 has 20 divisors (see below), whose sum is σ = 50715126420. Its totient is φ = 12215255808.
The previous prime is 25303030331. The next prime is 25303030393.
It is a happy number.
25303030352 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 2 ways, for example, as 4688962576 + 20614067776 = 68476^2 + 143576^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27265733 + ... + 27266660.
It is an arithmetic number, because the mean of its divisors is an integer number (2535756321).
Almost surely, 225303030352 is an apocalyptic number.
It is an amenable number.
25303030352 is an abundant number, since it is smaller than the sum of its proper divisors (25412096068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25303030352 is a wasteful number, since it uses less digits than its factorization.
25303030352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54532430 (or 54532424 counting only the distinct ones).
The product of its (nonzero) digits is 8100, while the sum is 26.
It can be divided in two parts, 253030 and 30352, that added together give a palindrome (283382).
The spelling of 25303030352 in words is "twenty-five billion, three hundred three million, thirty thousand, three hundred fifty-two".
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