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12441544211 = 27611450601
BaseRepresentation
bin10111001011001001…
…01110011000010011
31012010001221221010202
423211210232120103
5200440013403321
65414321245415
7620212244435
oct134544563023
935101857122
1012441544211
115304a22348
1224b279386b
1312337907a5
14860518655
154cc3dd70b
hex2e592e613

12441544211 has 4 divisors (see below), whose sum is σ = 12442022424. Its totient is φ = 12441066000.

The previous prime is 12441544151. The next prime is 12441544289. The reversal of 12441544211 is 11244514421.

12441544211 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 an emirpimes, since its reverse is a distinct semiprime: 11244514421 = 71606359203.

It is a cyclic number.

It is not a de Polignac number, because 12441544211 - 218 = 12441282067 is a prime.

It is a super-2 number, since 2×124415442112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12441544411) 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, 197690 + ... + 252911.

It is an arithmetic number, because the mean of its divisors is an integer number (3110505606).

Almost surely, 212441544211 is an apocalyptic number.

12441544211 is a deficient number, since it is larger than the sum of its proper divisors (478213).

12441544211 is an equidigital number, since it uses as much as digits as its factorization.

12441544211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478212.

The product of its digits is 5120, while the sum is 29.

The spelling of 12441544211 in words is "twelve billion, four hundred forty-one million, five hundred forty-four thousand, two hundred eleven".

Divisors: 1 27611 450601 12441544211