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12723613005896 = 2313122342432749
BaseRepresentation
bin1011100100100111001001…
…1011101111100001001000
31200001100212110121111010022
42321021302123233201020
53131430424412142041
643021051440040012
72452151664043562
oct271116233574110
950040773544108
1012723613005896
114066065924301
121515b08303008
13713aa6c19360
1431db7cd82332
15170e8502424b
hexb92726ef848

12723613005896 has 16 divisors (see below), whose sum is σ = 25691910877500. Its totient is φ = 5872436771904.

The previous prime is 12723613005889. The next prime is 12723613005911. The reversal of 12723613005896 is 69850031632721.

It is a happy number.

12723613005896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10875682708900 + 1847930296996 = 3297830^2 + 1359386^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61171216271 + ... + 61171216478.

Almost surely, 212723613005896 is an apocalyptic number.

It is an amenable number.

12723613005896 is an abundant number, since it is smaller than the sum of its proper divisors (12968297871604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12723613005896 is a wasteful number, since it uses less digits than its factorization.

12723613005896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122342432768 (or 122342432764 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 12723613005896 in words is "twelve trillion, seven hundred twenty-three billion, six hundred thirteen million, five thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 13 26 52 104 122342432749 244684865498 489369730996 978739461992 1590451625737 3180903251474 6361806502948 12723613005896