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12468988142849 = 713251113442537
BaseRepresentation
bin1011010101110010100110…
…0110111110010100000001
31122011000122020000020121002
42311130221212332110001
53113242441431032344
642304101333341345
72424566102316230
oct265345146762401
948130566006532
1012468988142849
113a78082816a97
1214946a6a97855
136c5a88946414
14311706240b17
151695311a544e
hexb57299be501

12468988142849 has 8 divisors (see below), whose sum is σ = 14250380763648. Its totient is φ = 10687622672160.

The previous prime is 12468988142839. The next prime is 12468988142851. The reversal of 12468988142849 is 94824188986421.

12468988142849 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 not a de Polignac number, because 12468988142849 - 24 = 12468988142833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12468988142839) 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, 5793692 + ... + 7648845.

It is an arithmetic number, because the mean of its divisors is an integer number (1781297595456).

Almost surely, 212468988142849 is an apocalyptic number.

It is an amenable number.

12468988142849 is a deficient number, since it is larger than the sum of its proper divisors (1781392620799).

12468988142849 is a wasteful number, since it uses less digits than its factorization.

12468988142849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575055.

The product of its digits is 509607936, while the sum is 74.

The spelling of 12468988142849 in words is "twelve trillion, four hundred sixty-eight billion, nine hundred eighty-eight million, one hundred forty-two thousand, eight hundred forty-nine".

Divisors: 1 7 132511 927577 13442537 94097759 1781284020407 12468988142849