Search a number
-
+
11808103 is a prime number
BaseRepresentation
bin101101000010…
…110101100111
3211012220200011
4231002311213
511010324403
61101031051
7202236646
oct55026547
924186604
1011808103
11673566a
123b55487
1325a5858
1417d535d
151083a6d
hexb42d67

11808103 has 2 divisors, whose sum is σ = 11808104. Its totient is φ = 11808102.

The previous prime is 11808091. The next prime is 11808113. The reversal of 11808103 is 30180811.

11808103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11808103 - 29 = 11807591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11808113) 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 as a sum of consecutive naturals, namely, 5904051 + 5904052.

It is an arithmetic number, because the mean of its divisors is an integer number (5904052).

Almost surely, 211808103 is an apocalyptic number.

11808103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11808103 is an equidigital number, since it uses as much as digits as its factorization.

11808103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 11808103 is about 3436.2920423037. The cubic root of 11808103 is about 227.7159114331.

Adding to 11808103 its reverse (30180811), we get a palindrome (41988914).

It can be divided in two parts, 11808 and 103, that added together give a palindrome (11911).

The spelling of 11808103 in words is "eleven million, eight hundred eight thousand, one hundred three".