Search a number
-
+
12311133232 = 244317894089
BaseRepresentation
bin10110111011100110…
…01111110000110000
31011202222120100220111
423131303033300300
5200203122230412
65353342151104
7614036622466
oct133563176060
934688510814
1012311133232
11524834a682
122476b82494
13121275cc28
1484b08c836
154c0c2d2a7
hex2ddccfc30

12311133232 has 20 divisors (see below), whose sum is σ = 24407538760. Its totient is φ = 6012413568.

The previous prime is 12311133221. The next prime is 12311133251. The reversal of 12311133232 is 23233111321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8946357 + ... + 8947732.

It is an arithmetic number, because the mean of its divisors is an integer number (1220376938).

Almost surely, 212311133232 is an apocalyptic number.

It is an amenable number.

12311133232 is a deficient number, since it is larger than the sum of its proper divisors (12096405528).

12311133232 is a wasteful number, since it uses less digits than its factorization.

12311133232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17894140 (or 17894134 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 12311133232 its reverse (23233111321), we get a palindrome (35544244553).

The spelling of 12311133232 in words is "twelve billion, three hundred eleven million, one hundred thirty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 43 86 172 344 688 17894089 35788178 71576356 143152712 286305424 769445827 1538891654 3077783308 6155566616 12311133232