Base | Representation |
---|---|
bin | 101110001010… |
… | …110000111101 |
3 | 211202212210210 |
4 | 232022300331 |
5 | 11044241332 |
6 | 1111223033 |
7 | 204604614 |
oct | 56126075 |
9 | 24685723 |
10 | 12102717 |
11 | 6916a50 |
12 | 4077a79 |
13 | 2679993 |
14 | 187087b |
15 | 10e0ecc |
hex | b8ac3d |
12102717 has 16 divisors (see below), whose sum is σ = 17739072. Its totient is φ = 7278720.
The previous prime is 12102703. The next prime is 12102733. The reversal of 12102717 is 71720121.
It is a happy number.
It is not a de Polignac number, because 12102717 - 26 = 12102653 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12102693 and 12102702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102757) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3183 + ... + 5859.
It is an arithmetic number, because the mean of its divisors is an integer number (1108692).
Almost surely, 212102717 is an apocalyptic number.
It is an amenable number.
12102717 is a deficient number, since it is larger than the sum of its proper divisors (5636355).
12102717 is a wasteful number, since it uses less digits than its factorization.
12102717 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2828.
The product of its (nonzero) digits is 196, while the sum is 21.
The square root of 12102717 is about 3478.8959455551. The cubic root of 12102717 is about 229.5942246743.
Adding to 12102717 its reverse (71720121), we get a palindrome (83822838).
The spelling of 12102717 in words is "twelve million, one hundred two thousand, seven hundred seventeen".
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