Base | Representation |
---|---|
bin | 110000010010… |
… | …110111000000 |
3 | 212211012110211 |
4 | 300102313000 |
5 | 11220111120 |
6 | 1131203504 |
7 | 212416042 |
oct | 60226700 |
9 | 25735424 |
10 | 12660160 |
11 | 7167847 |
12 | 42a6594 |
13 | 2813626 |
14 | 1977a92 |
15 | 11a125a |
hex | c12dc0 |
12660160 has 28 divisors (see below), whose sum is σ = 30147768. Its totient is φ = 5063936.
The previous prime is 12660157. The next prime is 12660169. The reversal of 12660160 is 6106621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12660169) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19462 + ... + 20101.
It is an arithmetic number, because the mean of its divisors is an integer number (1076706).
Almost surely, 212660160 is an apocalyptic number.
12660160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12660160 is an abundant number, since it is smaller than the sum of its proper divisors (17487608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12660160 is an equidigital number, since it uses as much as digits as its factorization.
12660160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39580 (or 39570 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 12660160 is about 3558.1118588375. Note that the first 3 decimals coincide. The cubic root of 12660160 is about 233.0664340516.
Adding to 12660160 its reverse (6106621), we get a palindrome (18766781).
It can be divided in two parts, 1 and 2660160, that added together give a square (2660161 = 16312).
The spelling of 12660160 in words is "twelve million, six hundred sixty thousand, one hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •