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12313303143 = 34104434381
BaseRepresentation
bin10110111011110111…
…00001100001100111
31011210010122121110120
423131323201201213
5200204201200033
65353500453023
7614064230661
oct133573414147
934703577416
1012313303143
1152495a1999
12247784a173
13121303c7bb
1484b495531
154c100b1b3
hex2ddee1867

12313303143 has 4 divisors (see below), whose sum is σ = 16417737528. Its totient is φ = 8208868760.

The previous prime is 12313303117. The next prime is 12313303159. The reversal of 12313303143 is 34130331321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12313303143 - 220 = 12312254567 is a prime.

It is a super-4 number, since 4×123133031434 (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313303243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052217188 + ... + 2052217193.

It is an arithmetic number, because the mean of its divisors is an integer number (4104434382).

Almost surely, 212313303143 is an apocalyptic number.

12313303143 is a deficient number, since it is larger than the sum of its proper divisors (4104434385).

12313303143 is an equidigital number, since it uses as much as digits as its factorization.

12313303143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104434384.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 12313303143 its reverse (34130331321), we get a palindrome (46443634464).

The spelling of 12313303143 in words is "twelve billion, three hundred thirteen million, three hundred three thousand, one hundred forty-three".

Divisors: 1 3 4104434381 12313303143