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12768195 = 351177383
BaseRepresentation
bin110000101101…
…001111000011
3220000200200010
4300231033003
511232040240
61133400003
7213346026
oct60551703
926020603
1012768195
117230a30
124339003
13285085b
1419a51bd
1511c3280
hexc2d3c3

12768195 has 16 divisors (see below), whose sum is σ = 22286592. Its totient is φ = 6190560.

The previous prime is 12768191. The next prime is 12768221. The reversal of 12768195 is 59186721.

12768195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12768195 - 22 = 12768191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12768191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38527 + ... + 38856.

It is an arithmetic number, because the mean of its divisors is an integer number (1392912).

Almost surely, 212768195 is an apocalyptic number.

12768195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12768195 is a deficient number, since it is larger than the sum of its proper divisors (9518397).

12768195 is a wasteful number, since it uses less digits than its factorization.

12768195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77402.

The product of its digits is 30240, while the sum is 39.

The square root of 12768195 is about 3573.2611155638. The cubic root of 12768195 is about 233.7275117298.

The spelling of 12768195 in words is "twelve million, seven hundred sixty-eight thousand, one hundred ninety-five".

Divisors: 1 3 5 11 15 33 55 165 77383 232149 386915 851213 1160745 2553639 4256065 12768195