Base | Representation |
---|---|
bin | 110000011000… |
… | …011110010011 |
3 | 212212101000111 |
4 | 300120132103 |
5 | 11221330110 |
6 | 1131502151 |
7 | 212543062 |
oct | 60303623 |
9 | 25771014 |
10 | 12683155 |
11 | 7183051 |
12 | 42b7957 |
13 | 2820c34 |
14 | 19821d9 |
15 | 11a7e8a |
hex | c18793 |
12683155 has 4 divisors (see below), whose sum is σ = 15219792. Its totient is φ = 10146520.
The previous prime is 12683137. The next prime is 12683183. The reversal of 12683155 is 55138621.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55138621 = 37 ⋅1490233.
It is not a de Polignac number, because 12683155 - 29 = 12682643 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is an unprimeable number.
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, 1268311 + ... + 1268320.
It is an arithmetic number, because the mean of its divisors is an integer number (3804948).
Almost surely, 212683155 is an apocalyptic number.
12683155 is a deficient number, since it is larger than the sum of its proper divisors (2536637).
12683155 is an equidigital number, since it uses as much as digits as its factorization.
12683155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2536636.
The product of its digits is 7200, while the sum is 31.
The square root of 12683155 is about 3561.3417415351. The cubic root of 12683155 is about 233.2074570491.
The spelling of 12683155 in words is "twelve million, six hundred eighty-three thousand, one hundred fifty-five".
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