Search a number
-
+
12333213001 = 43286818907
BaseRepresentation
bin10110111110001110…
…11110010101001001
31011211112010010122201
423133013132111021
5200224300304001
65355451320201
7614425403134
oct133707362511
934745103581
1012333213001
11525986051a
122482450061
1312171c0b95
1484dd9921b
154c2b40501
hex2df1de549

12333213001 has 4 divisors (see below), whose sum is σ = 12620031952. Its totient is φ = 12046394052.

The previous prime is 12333212971. The next prime is 12333213007. The reversal of 12333213001 is 10031233321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10031233321 = 10919194531.

It is a cyclic number.

It is not a de Polignac number, because 12333213001 - 213 = 12333204809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12333213001.

It is not an unprimeable number, because it can be changed into a prime (12333213007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143409411 + ... + 143409496.

It is an arithmetic number, because the mean of its divisors is an integer number (3155007988).

Almost surely, 212333213001 is an apocalyptic number.

It is an amenable number.

12333213001 is a deficient number, since it is larger than the sum of its proper divisors (286818951).

12333213001 is an equidigital number, since it uses as much as digits as its factorization.

12333213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286818950.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12333213001 its reverse (10031233321), we get a palindrome (22364446322).

The spelling of 12333213001 in words is "twelve billion, three hundred thirty-three million, two hundred thirteen thousand, one".

Divisors: 1 43 286818907 12333213001