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12063287889 = 3231211812
BaseRepresentation
bin10110011110000011…
…10010101001010001
31011010201012112000100
423033001302221101
5144201200203024
65313010043013
7604640153352
oct131701625121
934121175010
1012063287889
115130458814
122407b79469
1311a32c3193
148261b3d29
154a90c27c9
hex2cf072a51

12063287889 has 27 divisors (see below), whose sum is σ = 18020228187. Its totient is φ = 7776176400.

The previous prime is 12063287881. The next prime is 12063287927. The reversal of 12063287889 is 98878236021.

It is a happy number.

The square root of 12063287889 is 109833.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11063463489 + 999824400 = 105183^2 + 31620^2 .

It is not a de Polignac number, because 12063287889 - 23 = 12063287881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12063287881) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10213879 + ... + 10215059.

Almost surely, 212063287889 is an apocalyptic number.

12063287889 is the 109833-rd square number.

12063287889 is the 54917-th centered octagonal number.

It is an amenable number.

12063287889 is a deficient number, since it is larger than the sum of its proper divisors (5956940298).

12063287889 is an frugal number, since it uses more digits than its factorization.

12063287889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 12063287889 in words is "twelve billion, sixty-three million, two hundred eighty-seven thousand, eight hundred eighty-nine".

Divisors: 1 3 9 31 93 279 961 1181 2883 3543 8649 10629 36611 109833 329499 1134941 1394761 3404823 4184283 10214469 12552849 43237591 129712773 389138319 1340365321 4021095963 12063287889