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12442747664473 = 74143354521479
BaseRepresentation
bin1011010100010000110110…
…0011011111100001011001
31122001111220110220211100121
42311010031203133201121
53112330221400230343
642244041441033241
72422646613036640
oct265041543374131
948044813824317
1012442747664473
113a67a37747225
12148b5a3025821
136c3466415239
1431033722c357
151689e764daed
hexb510d8df859

12442747664473 has 8 divisors (see below), whose sum is σ = 14567119217280. Its totient is φ = 10405085154720.

The previous prime is 12442747664453. The next prime is 12442747664507. The reversal of 12442747664473 is 37446674724421.

12442747664473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12442747664473 - 221 = 12442745567321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12442747664453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21677260453 + ... + 21677261026.

It is an arithmetic number, because the mean of its divisors is an integer number (1820889902160).

Almost surely, 212442747664473 is an apocalyptic number.

It is an amenable number.

12442747664473 is a deficient number, since it is larger than the sum of its proper divisors (2124371552807).

12442747664473 is an equidigital number, since it uses as much as digits as its factorization.

12442747664473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43354521527.

The product of its digits is 151732224, while the sum is 61.

The spelling of 12442747664473 in words is "twelve trillion, four hundred forty-two billion, seven hundred forty-seven million, six hundred sixty-four thousand, four hundred seventy-three".

Divisors: 1 7 41 287 43354521479 303481650353 1777535380639 12442747664473