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12725544050 = 252254510881
BaseRepresentation
bin10111101101000000…
…00110010001110010
31012211212100121200022
423312200012101302
5202030214402200
65502424323442
7630231224342
oct136640062162
935755317608
1012725544050
11544026865a
122571913582
13127a57892b
1488a124d22
154e72db885
hex2f6806472

12725544050 has 12 divisors (see below), whose sum is σ = 23669512026. Its totient is φ = 5090217600.

The previous prime is 12725544011. The next prime is 12725544067. The reversal of 12725544050 is 5044552721.

It can be written as a sum of positive squares in 3 ways, for example, as 8893810249 + 3831733801 = 94307^2 + 61901^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12725544050.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127255391 + ... + 127255490.

Almost surely, 212725544050 is an apocalyptic number.

12725544050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12725544050 is a deficient number, since it is larger than the sum of its proper divisors (10943967976).

12725544050 is a wasteful number, since it uses less digits than its factorization.

12725544050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254510893 (or 254510888 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 35.

The spelling of 12725544050 in words is "twelve billion, seven hundred twenty-five million, five hundred forty-four thousand, fifty".

Divisors: 1 2 5 10 25 50 254510881 509021762 1272554405 2545108810 6362772025 12725544050