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12803892523 is a prime number
BaseRepresentation
bin10111110110010101…
…11110010100101011
31020001022210010120121
423323022332110223
5202210244030043
65514303504111
7632202201502
oct137312762453
936038703517
1012803892523
115480510a64
122593bb8037
13129087b386
148966bb839
154ee115ded
hex2fb2be52b

12803892523 has 2 divisors, whose sum is σ = 12803892524. Its totient is φ = 12803892522.

The previous prime is 12803892511. The next prime is 12803892557. The reversal of 12803892523 is 32529830821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12803892523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12803892523.

It is not a weakly prime, because it can be changed into another prime (12803892623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401946261 + 6401946262.

It is an arithmetic number, because the mean of its divisors is an integer number (6401946262).

Almost surely, 212803892523 is an apocalyptic number.

12803892523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12803892523 is an equidigital number, since it uses as much as digits as its factorization.

12803892523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 12803892523 in words is "twelve billion, eight hundred three million, eight hundred ninety-two thousand, five hundred twenty-three".