Search a number
-
+
13112330233 = 19876599059
BaseRepresentation
bin11000011011000111…
…00100011111111001
31020211211011101120111
430031203210133321
5203323224031413
610005042424321
7642635653012
oct141543443771
936754141514
1013112330233
115619628862
12265b3620a1
13130c7418b2
148c564a009
1551b23ed3d
hex30d8e47f9

13112330233 has 4 divisors (see below), whose sum is σ = 13118931280. Its totient is φ = 13105729188.

The previous prime is 13112330227. The next prime is 13112330237. The reversal of 13112330233 is 33203321131.

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: 33203321131 = 76143631171.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13112330233 is a prime.

It is a super-3 number, since 3×131123302333 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112330237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3297543 + ... + 3301516.

It is an arithmetic number, because the mean of its divisors is an integer number (3279732820).

Almost surely, 213112330233 is an apocalyptic number.

It is an amenable number.

13112330233 is a deficient number, since it is larger than the sum of its proper divisors (6601047).

13112330233 is an equidigital number, since it uses as much as digits as its factorization.

13112330233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601046.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13112330233 its reverse (33203321131), we get a palindrome (46315651364).

The spelling of 13112330233 in words is "thirteen billion, one hundred twelve million, three hundred thirty thousand, two hundred thirty-three".

Divisors: 1 1987 6599059 13112330233