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12682683403 = 13975591031
BaseRepresentation
bin10111100111111001…
…00110010000001011
31012201212201001220221
423303330212100023
5201433231332103
65454253530511
7626201013235
oct136374462013
935655631827
1012682683403
115419053835
12255b4a3a37
13127171ccc0
14884569255
154e36721bd
hex2f3f2640b

12682683403 has 4 divisors (see below), whose sum is σ = 13658274448. Its totient is φ = 11707092360.

The previous prime is 12682683367. The next prime is 12682683427. The reversal of 12682683403 is 30438628621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30438628621 = 85735517653.

It is a cyclic number.

It is not a de Polignac number, because 12682683403 - 29 = 12682682891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12682683403.

It is not an unprimeable number, because it can be changed into a prime (12682683493) 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, 487795503 + ... + 487795528.

It is an arithmetic number, because the mean of its divisors is an integer number (3414568612).

Almost surely, 212682683403 is an apocalyptic number.

12682683403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12682683403 is a deficient number, since it is larger than the sum of its proper divisors (975591045).

12682683403 is an equidigital number, since it uses as much as digits as its factorization.

12682683403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975591044.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 12682683403 in words is "twelve billion, six hundred eighty-two million, six hundred eighty-three thousand, four hundred three".

Divisors: 1 13 975591031 12682683403