Search a number
-
+
12663063631 = 371301263063
BaseRepresentation
bin10111100101100011…
…10000010001001111
31012200111210021122201
423302301300101033
5201413221014011
65452313222331
7625542156601
oct136261602117
935614707581
1012663063631
115408a73149
122554a019a7
13126a64097a
14881add171
154e1a98cc1
hex2f2c7044f

12663063631 has 8 divisors (see below), whose sum is σ = 13015354464. Its totient is φ = 12311301600.

The previous prime is 12663063629. The next prime is 12663063659. The reversal of 12663063631 is 13636036621.

12663063631 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 12663063631 - 21 = 12663063629 is a prime.

It is a super-2 number, since 2×126630636312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663063601) 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 7 ways as a sum of consecutive naturals, for example, 83395 + ... + 179668.

It is an arithmetic number, because the mean of its divisors is an integer number (1626919308).

Almost surely, 212663063631 is an apocalyptic number.

12663063631 is a deficient number, since it is larger than the sum of its proper divisors (352290833).

12663063631 is a wasteful number, since it uses less digits than its factorization.

12663063631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264401.

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 12663063631 in words is "twelve billion, six hundred sixty-three million, sixty-three thousand, six hundred thirty-one".

Divisors: 1 37 1301 48137 263063 9733331 342244963 12663063631