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12242011343 = 45612684063
BaseRepresentation
bin10110110011010111…
…00100010011001111
31011121011111121111112
423121223210103033
5200032423330333
65342432442235
7612240244112
oct133153442317
934534447445
1012242011343
115212329351
1224579a937b
13120133acc3
14841c18579
154b9b27948
hex2d9ae44cf

12242011343 has 4 divisors (see below), whose sum is σ = 12244699968. Its totient is φ = 12239322720.

The previous prime is 12242011307. The next prime is 12242011357. The reversal of 12242011343 is 34311024221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34311024221 = 82941388449.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12242011343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242011393) 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, 1337471 + ... + 1346592.

It is an arithmetic number, because the mean of its divisors is an integer number (3061174992).

Almost surely, 212242011343 is an apocalyptic number.

12242011343 is a deficient number, since it is larger than the sum of its proper divisors (2688625).

12242011343 is an equidigital number, since it uses as much as digits as its factorization.

12242011343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688624.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12242011343 its reverse (34311024221), we get a palindrome (46553035564).

The spelling of 12242011343 in words is "twelve billion, two hundred forty-two million, eleven thousand, three hundred forty-three".

Divisors: 1 4561 2684063 12242011343