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12848803925 = 524021127817
BaseRepresentation
bin10111111011101100…
…10011000001010101
31020011110021212102212
423331312103001111
5202303243211200
65522550243205
7633256013516
oct137566230125
936143255385
1012848803925
1154a38a6621
1225a7056505
131299c74579
1489c64ca0d
15503038035
hex2fdd93055

12848803925 has 12 divisors (see below), whose sum is σ = 15936603876. Its totient is φ = 10276406400.

The previous prime is 12848803909. The next prime is 12848803937. The reversal of 12848803925 is 52930884821.

It can be written as a sum of positive squares in 6 ways, for example, as 4086533476 + 8762270449 = 63926^2 + 93607^2 .

It is not a de Polignac number, because 12848803925 - 24 = 12848803909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 36617 + ... + 164433.

It is an arithmetic number, because the mean of its divisors is an integer number (1328050323).

Almost surely, 212848803925 is an apocalyptic number.

It is an amenable number.

12848803925 is a deficient number, since it is larger than the sum of its proper divisors (3087799951).

12848803925 is a wasteful number, since it uses less digits than its factorization.

12848803925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131848 (or 131843 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 12848803925 in words is "twelve billion, eight hundred forty-eight million, eight hundred three thousand, nine hundred twenty-five".

Divisors: 1 5 25 4021 20105 100525 127817 639085 3195425 513952157 2569760785 12848803925