Base | Representation |
---|---|
bin | 101111111010… |
… | …011100000011 |
3 | 212122010021001 |
4 | 233322130003 |
5 | 11203411011 |
6 | 1125112431 |
7 | 211521313 |
oct | 57723403 |
9 | 25563231 |
10 | 12560131 |
11 | 70a9681 |
12 | 4258717 |
13 | 27a9c3c |
14 | 194d443 |
15 | 11817c1 |
hex | bfa703 |
12560131 has 8 divisors (see below), whose sum is σ = 13065920. Its totient is φ = 12063168.
The previous prime is 12560117. The next prime is 12560143. The reversal of 12560131 is 13106521.
12560131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12560131 - 27 = 12560003 is a prime.
It is a super-2 number, since 2×125601312 = 315513781474322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12560099 and 12560108.
It is not an unprimeable number, because it can be changed into a prime (12560101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775 + ... + 5071.
It is an arithmetic number, because the mean of its divisors is an integer number (1633240).
Almost surely, 212560131 is an apocalyptic number.
12560131 is a deficient number, since it is larger than the sum of its proper divisors (505789).
12560131 is an equidigital number, since it uses as much as digits as its factorization.
12560131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4413.
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 12560131 is about 3544.0275111799. The cubic root of 12560131 is about 232.4509843873.
Adding to 12560131 its reverse (13106521), we get a palindrome (25666652).
The spelling of 12560131 in words is "twelve million, five hundred sixty thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •