Search a number
-
+
12244210651 = 25747642843
BaseRepresentation
bin10110110011100111…
…11101001111011011
31011121022122100101101
423121303331033123
5200034004220101
65342551532231
7612265034101
oct133163751733
934538570341
1012244210651
1152135a0762
12245868a077
13120192b07a
1484222bc71
154b9e0e401
hex2d9cfd3db

12244210651 has 4 divisors (see below), whose sum is σ = 12291853752. Its totient is φ = 12196567552.

The previous prime is 12244210637. The next prime is 12244210697. The reversal of 12244210651 is 15601244221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12244210651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12244210621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23821165 + ... + 23821678.

It is an arithmetic number, because the mean of its divisors is an integer number (3072963438).

Almost surely, 212244210651 is an apocalyptic number.

12244210651 is a deficient number, since it is larger than the sum of its proper divisors (47643101).

12244210651 is an equidigital number, since it uses as much as digits as its factorization.

12244210651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47643100.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 12244210651 its reverse (15601244221), we get a palindrome (27845454872).

The spelling of 12244210651 in words is "twelve billion, two hundred forty-four million, two hundred ten thousand, six hundred fifty-one".

Divisors: 1 257 47642843 12244210651