Base | Representation |
---|---|
bin | 101101111100… |
… | …011110000001 |
3 | 211122220111001 |
4 | 231330132001 |
5 | 11040403121 |
6 | 1110052001 |
7 | 204242113 |
oct | 55743601 |
9 | 24586431 |
10 | 12044161 |
11 | 6886a58 |
12 | 404a001 |
13 | 265912c |
14 | 18573b3 |
15 | 10cd991 |
hex | b7c781 |
12044161 has 4 divisors (see below), whose sum is σ = 12059824. Its totient is φ = 12028500.
The previous prime is 12044159. The next prime is 12044183. The reversal of 12044161 is 16144021.
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 12044161 - 21 = 12044159 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12044141) 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 3 ways as a sum of consecutive naturals, for example, 6615 + ... + 8236.
It is an arithmetic number, because the mean of its divisors is an integer number (3014956).
Almost surely, 212044161 is an apocalyptic number.
It is an amenable number.
12044161 is a deficient number, since it is larger than the sum of its proper divisors (15663).
12044161 is an equidigital number, since it uses as much as digits as its factorization.
12044161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15662.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 12044161 is about 3470.4698529162. The cubic root of 12044161 is about 229.2233476252.
Adding to 12044161 its reverse (16144021), we get a palindrome (28188182).
The spelling of 12044161 in words is "twelve million, forty-four thousand, one hundred sixty-one".
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