Base | Representation |
---|---|
bin | 110010000001… |
… | …010110010011 |
3 | 220200012021102 |
4 | 302001112103 |
5 | 11324101343 |
6 | 1145015015 |
7 | 216312341 |
oct | 62012623 |
9 | 26605242 |
10 | 13112723 |
11 | 7446868 |
12 | 448446b |
13 | 2941610 |
14 | 1a54991 |
15 | 12403b8 |
hex | c81593 |
13112723 has 8 divisors (see below), whose sum is σ = 14198016. Its totient is φ = 12038400.
The previous prime is 13112713. The next prime is 13112741. The reversal of 13112723 is 32721131.
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 13112723 - 222 = 8918419 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13112695 and 13112704.
It is not an unprimeable number, because it can be changed into a prime (13112713) 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, 158 + ... + 5123.
It is an arithmetic number, because the mean of its divisors is an integer number (1774752).
Almost surely, 213112723 is an apocalyptic number.
13112723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
13112723 is a deficient number, since it is larger than the sum of its proper divisors (1085293).
13112723 is a wasteful number, since it uses less digits than its factorization.
13112723 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5485.
The product of its digits is 252, while the sum is 20.
The square root of 13112723 is about 3621.1494031592. The cubic root of 13112723 is about 235.8111279715.
Adding to 13112723 its reverse (32721131), we get a palindrome (45833854).
The spelling of 13112723 in words is "thirteen million, one hundred twelve thousand, seven hundred twenty-three".
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