Search a number
-
+
12188287984 = 248935324247
BaseRepresentation
bin10110101100111101…
…01000001111110000
31011110102102011220111
423112132220033300
5144430200203414
65333233151104
7611015511205
oct132636501760
934412364814
1012188287984
115194a75184
1224419bb494
1311c317ac32
14838a31cac
154b50648c4
hex2d67a83f0

12188287984 has 40 divisors (see below), whose sum is σ = 23948779680. Its totient is φ = 6008352768.

The previous prime is 12188287981. The next prime is 12188287987. The reversal of 12188287984 is 48978288121.

It is an interprime number because it is at equal distance from previous prime (12188287981) and next prime (12188287987).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12188287981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490549 + ... + 514795.

It is an arithmetic number, because the mean of its divisors is an integer number (598719492).

Almost surely, 212188287984 is an apocalyptic number.

It is an amenable number.

12188287984 is a deficient number, since it is larger than the sum of its proper divisors (11760491696).

12188287984 is a wasteful number, since it uses less digits than its factorization.

12188287984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24697 (or 24691 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 58.

The spelling of 12188287984 in words is "twelve billion, one hundred eighty-eight million, two hundred eighty-seven thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 89 178 353 356 706 712 1412 1424 2824 5648 24247 31417 48494 62834 96988 125668 193976 251336 387952 502672 2157983 4315966 8559191 8631932 17118382 17263864 34236764 34527728 68473528 136947056 761767999 1523535998 3047071996 6094143992 12188287984