Search a number
-
+
13233223001 = 36433632507
BaseRepresentation
bin11000101001100001…
…01111010101011001
31021011020122101021102
430110300233111121
5204100201114001
610025041521145
7645634353035
oct142460572531
937136571242
1013233223001
11568089a339
1226939431b5
13132b7bbc8b
148d77191c5
15526b6ee6b
hex314c2f559

13233223001 has 4 divisors (see below), whose sum is σ = 13236859152. Its totient is φ = 13229586852.

The previous prime is 13233222917. The next prime is 13233223013. The reversal of 13233223001 is 10032233231.

13233223001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 10032233231 = 24889403079.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13233223001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13233223051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1812611 + ... + 1819896.

It is an arithmetic number, because the mean of its divisors is an integer number (3309214788).

Almost surely, 213233223001 is an apocalyptic number.

It is an amenable number.

13233223001 is a deficient number, since it is larger than the sum of its proper divisors (3636151).

13233223001 is an equidigital number, since it uses as much as digits as its factorization.

13233223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636150.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13233223001 its reverse (10032233231), we get a palindrome (23265456232).

The spelling of 13233223001 in words is "thirteen billion, two hundred thirty-three million, two hundred twenty-three thousand, one".

Divisors: 1 3643 3632507 13233223001