Base | Representation |
---|---|
bin | 101111111010… |
… | …011100000000 |
3 | 212122010020221 |
4 | 233322130000 |
5 | 11203411003 |
6 | 1125112424 |
7 | 211521310 |
oct | 57723400 |
9 | 25563227 |
10 | 12560128 |
11 | 70a9679 |
12 | 4258714 |
13 | 27a9c39 |
14 | 194d440 |
15 | 11817bd |
hex | bfa700 |
12560128 has 72 divisors (see below), whose sum is σ = 29499008. Its totient is φ = 5225472.
The previous prime is 12560117. The next prime is 12560143. The reversal of 12560128 is 82106521.
12560128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76975 + ... + 77137.
Almost surely, 212560128 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12560128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14749504).
12560128 is an abundant number, since it is smaller than the sum of its proper divisors (16938880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12560128 is an equidigital number, since it uses as much as digits as its factorization.
12560128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229 (or 215 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 12560128 is about 3544.0270879326. The cubic root of 12560128 is about 232.4509658802.
Adding to 12560128 its reverse (82106521), we get a palindrome (94666649).
The spelling of 12560128 in words is "twelve million, five hundred sixty thousand, one hundred twenty-eight".
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