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12313336623 = 371734491139
BaseRepresentation
bin10110111011110111…
…01001101100101111
31011210010201022101120
423131323221230233
5200204203232443
65353501312023
7614064430410
oct133573515457
934703638346
1012313336623
115249615065
122477865613
131213051b03
1484b4a3807
154c1016083
hex2ddee9b2f

12313336623 has 16 divisors (see below), whose sum is σ = 19866896640. Its totient is φ = 6622298496.

The previous prime is 12313336601. The next prime is 12313336627. The reversal of 12313336623 is 32663331321.

It is not a de Polignac number, because 12313336623 - 218 = 12313074479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313336627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17245213 + ... + 17245926.

It is an arithmetic number, because the mean of its divisors is an integer number (1241681040).

Almost surely, 212313336623 is an apocalyptic number.

12313336623 is a deficient number, since it is larger than the sum of its proper divisors (7553560017).

12313336623 is a wasteful number, since it uses less digits than its factorization.

12313336623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34491166.

The product of its digits is 34992, while the sum is 33.

Adding to 12313336623 its reverse (32663331321), we get a palindrome (44976667944).

The spelling of 12313336623 in words is "twelve billion, three hundred thirteen million, three hundred thirty-six thousand, six hundred twenty-three".

Divisors: 1 3 7 17 21 51 119 357 34491139 103473417 241437973 586349363 724313919 1759048089 4104445541 12313336623