Base | Representation |
---|---|
bin | 110010011001… |
… | …110110111001 |
3 | 220212021222120 |
4 | 302121312321 |
5 | 11340304423 |
6 | 1151111453 |
7 | 220211124 |
oct | 62316671 |
9 | 26767876 |
10 | 13213113 |
11 | 7505231 |
12 | 4512589 |
13 | 2978214 |
14 | 1a7d3bb |
15 | 125eee3 |
hex | c99db9 |
13213113 has 8 divisors (see below), whose sum is σ = 18544800. Its totient is φ = 8345088.
The previous prime is 13213093. The next prime is 13213121. The reversal of 13213113 is 31131231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13213113 - 222 = 9018809 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13213092 and 13213101.
It is not an unprimeable number, because it can be changed into a prime (13213153) 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, 115848 + ... + 115961.
It is an arithmetic number, because the mean of its divisors is an integer number (2318100).
Almost surely, 213213113 is an apocalyptic number.
It is an amenable number.
13213113 is a deficient number, since it is larger than the sum of its proper divisors (5331687).
13213113 is a wasteful number, since it uses less digits than its factorization.
13213113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231831.
The product of its digits is 54, while the sum is 15.
The square root of 13213113 is about 3634.9845941902. The cubic root of 13213113 is about 236.4113826935.
Adding to 13213113 its reverse (31131231), we get a palindrome (44344344).
The spelling of 13213113 in words is "thirteen million, two hundred thirteen thousand, one hundred thirteen".
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