Search a number
-
+
12313311332 = 2272107587131
BaseRepresentation
bin10110111011110111…
…00011100001100100
31011210010200000200212
423131323203201210
5200204201430312
65353500554552
7614064263600
oct133573434144
934703600625
1012313311332
1152495a8063
122477852a58
13121304344a
1484b498500
154c100d822
hex2ddee3864

12313311332 has 36 divisors (see below), whose sum is σ = 25300692144. Its totient is φ = 5227805520.

The previous prime is 12313311317. The next prime is 12313311359. The reversal of 12313311332 is 23311331321.

It is a super-2 number, since 2×123133113322 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12313311298 and 12313311307.

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 11 ways as a sum of consecutive naturals, for example, 272594 + ... + 314537.

It is an arithmetic number, because the mean of its divisors is an integer number (702797004).

Almost surely, 212313311332 is an apocalyptic number.

It is an amenable number.

12313311332 is an abundant number, since it is smaller than the sum of its proper divisors (12987380812).

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

12313311332 is a wasteful number, since it uses less digits than its factorization.

12313311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587256 (or 587247 counting only the distinct ones).

The product of its digits is 972, while the sum is 23.

Adding to 12313311332 its reverse (23311331321), we get a palindrome (35624642653).

The spelling of 12313311332 in words is "twelve billion, three hundred thirteen million, three hundred eleven thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 107 196 214 428 749 1498 2996 5243 10486 20972 587131 1174262 2348524 4109917 8219834 16439668 28769419 57538838 62823017 115077676 125646034 251292068 439761119 879522238 1759044476 3078327833 6156655666 12313311332