Base | Representation |
---|---|
bin | 100010100010… |
… | …0000110001001 |
3 | 1021001210222221 |
4 | 1011010012021 |
5 | 14113322323 |
6 | 1444014041 |
7 | 306613264 |
oct | 105040611 |
9 | 37053887 |
10 | 18104713 |
11 | a246380 |
12 | 6091321 |
13 | 399b863 |
14 | 2593cdb |
15 | 18c955d |
hex | 1144189 |
18104713 has 8 divisors (see below), whose sum is σ = 20388096. Its totient is φ = 15927600.
The previous prime is 18104693. The next prime is 18104717. The reversal of 18104713 is 31740181.
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 18104713 - 221 = 16007561 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18104717) 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, 26206 + ... + 26887.
It is an arithmetic number, because the mean of its divisors is an integer number (2548512).
Almost surely, 218104713 is an apocalyptic number.
It is an amenable number.
18104713 is a deficient number, since it is larger than the sum of its proper divisors (2283383).
18104713 is a wasteful number, since it uses less digits than its factorization.
18104713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53135.
The product of its (nonzero) digits is 672, while the sum is 25.
The square root of 18104713 is about 4254.9633370923. The cubic root of 18104713 is about 262.5813528650.
Adding to 18104713 its reverse (31740181), we get a palindrome (49844894).
The spelling of 18104713 in words is "eighteen million, one hundred four thousand, seven hundred thirteen".
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