Search a number
-
+
12244311211 = 1123311938089
BaseRepresentation
bin10110110011101000…
…10101110010101011
31011121022211110022211
423121310111302223
5200034020424321
65342554025551
7612265633216
oct133164256253
934538743284
1012244311211
11521365a270
1224587182b7
131201964a82
1484225677d
154b9e2e0e1
hex2d9d15cab

12244311211 has 32 divisors (see below), whose sum is σ = 14464143360. Its totient is φ = 10249113600.

The previous prime is 12244311203. The next prime is 12244311307. The reversal of 12244311211 is 11211344221.

It is not a de Polignac number, because 12244311211 - 23 = 12244311203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12244311511) 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 31 ways as a sum of consecutive naturals, for example, 1509655 + ... + 1517743.

It is an arithmetic number, because the mean of its divisors is an integer number (452004480).

Almost surely, 212244311211 is an apocalyptic number.

12244311211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12244311211 is a deficient number, since it is larger than the sum of its proper divisors (2219832149).

12244311211 is a wasteful number, since it uses less digits than its factorization.

12244311211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8347.

The product of its digits is 384, while the sum is 22.

Adding to 12244311211 its reverse (11211344221), we get a palindrome (23455655432).

The spelling of 12244311211 in words is "twelve billion, two hundred forty-four million, three hundred eleven thousand, two hundred eleven".

Divisors: 1 11 23 31 193 253 341 713 2123 4439 5983 7843 8089 48829 65813 88979 137609 186047 250759 1513699 1561177 2046517 2758349 5767457 17172947 35907071 48396487 63442027 394977781 532361357 1113119201 12244311211