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12347115663 = 38423488627
BaseRepresentation
bin10110111111111001…
…00000100010001111
31011212111021110112010
423133330200202033
5200241330200123
65401105312303
7614654515521
oct133774404217
934774243463
1012347115663
115266696823
122487035693
13121a04abcc
14851b77a11
154c3e89993
hex2dff2088f

12347115663 has 8 divisors (see below), whose sum is σ = 16464809088. Its totient is φ = 8230416344.

The previous prime is 12347115653. The next prime is 12347115701. The reversal of 12347115663 is 36651174321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12347115663 - 25 = 12347115631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12347115653) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 219045 + ... + 269582.

It is an arithmetic number, because the mean of its divisors is an integer number (2058101136).

Almost surely, 212347115663 is an apocalyptic number.

12347115663 is a deficient number, since it is larger than the sum of its proper divisors (4117693425).

12347115663 is an equidigital number, since it uses as much as digits as its factorization.

12347115663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497053.

The product of its digits is 90720, while the sum is 39.

Adding to 12347115663 its reverse (36651174321), we get a palindrome (48998289984).

The spelling of 12347115663 in words is "twelve billion, three hundred forty-seven million, one hundred fifteen thousand, six hundred sixty-three".

Divisors: 1 3 8423 25269 488627 1465881 4115705221 12347115663