Search a number
-
+
12318709023 = 328316490909
BaseRepresentation
bin10110111100100000…
…01001010100011111
31011210111211020221100
423132100021110133
5200212042142043
65354212404143
7614161204365
oct133620112437
934714736840
1012318709023
115251654465
122479616653
1312141b324a
1484c0a1635
154c1727cd3
hex2de40951f

12318709023 has 12 divisors (see below), whose sum is σ = 18008073720. Its totient is φ = 8113526736.

The previous prime is 12318709021. The next prime is 12318709027. The reversal of 12318709023 is 32090781321.

12318709023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12318709023 - 21 = 12318709021 is a prime.

It is a super-2 number, since 2×123187090232 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318709021) 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 11 ways as a sum of consecutive naturals, for example, 8244708 + ... + 8246201.

It is an arithmetic number, because the mean of its divisors is an integer number (1500672810).

Almost surely, 212318709023 is an apocalyptic number.

12318709023 is a deficient number, since it is larger than the sum of its proper divisors (5689364697).

12318709023 is a wasteful number, since it uses less digits than its factorization.

12318709023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16490998 (or 16490995 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 12318709023 in words is "twelve billion, three hundred eighteen million, seven hundred nine thousand, twenty-three".

Divisors: 1 3 9 83 249 747 16490909 49472727 148418181 1368745447 4106236341 12318709023