Base | Representation |
---|---|
bin | 10110100010110100… |
… | …00011100100101001 |
3 | 1011020111022102101222 |
4 | 23101122003210221 |
5 | 144241404444423 |
6 | 5320553351425 |
7 | 605633346311 |
oct | 132132034451 |
9 | 34214272358 |
10 | 12103203113 |
11 | 5150a40701 |
12 | 2419408575 |
13 | 11ab65a261 |
14 | 82b604441 |
15 | 4ac8593c8 |
hex | 2d1683929 |
12103203113 has 8 divisors (see below), whose sum is σ = 12196103040. Its totient is φ = 12010471200.
The previous prime is 12103203109. The next prime is 12103203127. The reversal of 12103203113 is 31130230121.
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 12103203113 - 22 = 12103203109 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12103203091 and 12103203100.
It is not an unprimeable number, because it can be changed into a prime (12103203103) 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, 104573 + ... + 187461.
It is an arithmetic number, because the mean of its divisors is an integer number (1524512880).
Almost surely, 212103203113 is an apocalyptic number.
It is an amenable number.
12103203113 is a deficient number, since it is larger than the sum of its proper divisors (92899927).
12103203113 is an equidigital number, since it uses as much as digits as its factorization.
12103203113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84007.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 12103203113 its reverse (31130230121), we get a palindrome (43233433234).
The spelling of 12103203113 in words is "twelve billion, one hundred three million, two hundred three thousand, one hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •