Base | Representation |
---|---|
bin | 100000101001… |
… | …1101100001101 |
3 | 1012012210020120 |
4 | 1001103230031 |
5 | 13340320023 |
6 | 1410535153 |
7 | 265342401 |
oct | 101235415 |
9 | 35183216 |
10 | 17120013 |
11 | 9733579 |
12 | 58974b9 |
13 | 37155b1 |
14 | 23b9101 |
15 | 17828e3 |
hex | 1053b0d |
17120013 has 4 divisors (see below), whose sum is σ = 22826688. Its totient is φ = 11413340.
The previous prime is 17120009. The next prime is 17120021. The reversal of 17120013 is 31002171.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 17120013 - 22 = 17120009 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 17119974 and 17120001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17120093) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2853333 + ... + 2853338.
It is an arithmetic number, because the mean of its divisors is an integer number (5706672).
Almost surely, 217120013 is an apocalyptic number.
It is an amenable number.
17120013 is a deficient number, since it is larger than the sum of its proper divisors (5706675).
17120013 is an equidigital number, since it uses as much as digits as its factorization.
17120013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5706674.
The product of its (nonzero) digits is 42, while the sum is 15.
The square root of 17120013 is about 4137.6337440619. The cubic root of 17120013 is about 257.7318137442.
Adding to 17120013 its reverse (31002171), we get a palindrome (48122184).
The spelling of 17120013 in words is "seventeen million, one hundred twenty thousand, thirteen".
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