Search a number
-
+
12631115536 = 2413591029263
BaseRepresentation
bin10111100001101111…
…11000011100010000
31012121021200011002221
423300313320130100
5201332031144121
65445212350424
7625003465504
oct136067703420
935537604087
1012631115536
1153a1a32066
122546175414
131263b36080
1487b784304
154ddd87b41
hex2f0df8710

12631115536 has 40 divisors (see below), whose sum is σ = 26802034560. Its totient is φ = 5730930816.

The previous prime is 12631115531. The next prime is 12631115557. The reversal of 12631115536 is 63551113621.

12631115536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12631115531) 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, 502360 + ... + 526903.

It is an arithmetic number, because the mean of its divisors is an integer number (670050864).

Almost surely, 212631115536 is an apocalyptic number.

12631115536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12631115536 is an abundant number, since it is smaller than the sum of its proper divisors (14170919024).

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

12631115536 is a wasteful number, since it uses less digits than its factorization.

12631115536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029343 (or 1029337 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The spelling of 12631115536 in words is "twelve billion, six hundred thirty-one million, one hundred fifteen thousand, five hundred thirty-six".

Divisors: 1 2 4 8 13 16 26 52 59 104 118 208 236 472 767 944 1534 3068 6136 12272 1029263 2058526 4117052 8234104 13380419 16468208 26760838 53521676 60726517 107043352 121453034 214086704 242906068 485812136 789444721 971624272 1578889442 3157778884 6315557768 12631115536