Base | Representation |
---|---|
bin | 10111110110010101… |
… | …11110010100101011 |
3 | 1020001022210010120121 |
4 | 23323022332110223 |
5 | 202210244030043 |
6 | 5514303504111 |
7 | 632202201502 |
oct | 137312762453 |
9 | 36038703517 |
10 | 12803892523 |
11 | 5480510a64 |
12 | 2593bb8037 |
13 | 129087b386 |
14 | 8966bb839 |
15 | 4ee115ded |
hex | 2fb2be52b |
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".
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