Search a number
-
+
12030133 = 60719819
BaseRepresentation
bin101101111001…
…000010110101
3211122012020111
4231321002311
511034431013
61105503021
7204153163
oct55710265
924565214
1012030133
116877465
124041a71
13265292b
141852233
1510c973d
hexb790b5

12030133 has 4 divisors (see below), whose sum is σ = 12050560. Its totient is φ = 12009708.

The previous prime is 12030131. The next prime is 12030149. The reversal of 12030133 is 33103021.

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 12030133 - 21 = 12030131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030131) 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, 9303 + ... + 10516.

It is an arithmetic number, because the mean of its divisors is an integer number (3012640).

Almost surely, 212030133 is an apocalyptic number.

It is an amenable number.

12030133 is a deficient number, since it is larger than the sum of its proper divisors (20427).

12030133 is an equidigital number, since it uses as much as digits as its factorization.

12030133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20426.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 12030133 is about 3468.4482120972. The cubic root of 12030133 is about 229.1343198569.

Adding to 12030133 its reverse (33103021), we get a palindrome (45133154).

The spelling of 12030133 in words is "twelve million, thirty thousand, one hundred thirty-three".

Divisors: 1 607 19819 12030133