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12686774306 = 29029702557
BaseRepresentation
bin10111101000011000…
…01101000000100010
31012202011101220120212
423310030031000202
5201440303234211
65454521334122
7626250542123
oct136414150042
935664356525
1012686774306
115420398348
122560937342
13127252305b
14884d1204a
154e3bce38b
hex2f430d022

12686774306 has 8 divisors (see below), whose sum is σ = 19032296220. Its totient is φ = 6342675568.

The previous prime is 12686774299. The next prime is 12686774339. The reversal of 12686774306 is 60347768621.

12686774306 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12664126225 + 22648081 = 112535^2 + 4759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×126867743063 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333221 + ... + 369336.

Almost surely, 212686774306 is an apocalyptic number.

12686774306 is a deficient number, since it is larger than the sum of its proper divisors (6345521914).

12686774306 is an equidigital number, since it uses as much as digits as its factorization.

12686774306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711588.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 12686774306 in words is "twelve billion, six hundred eighty-six million, seven hundred seventy-four thousand, three hundred six".

Divisors: 1 2 9029 18058 702557 1405114 6343387153 12686774306