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13068655 = 52613731
BaseRepresentation
bin110001110110…
…100101101111
3220120221211021
4301312211233
511321144110
61144035011
7216040015
oct61664557
926527737
1013068655
117416746
124462a67
132927542
141a428b5
1512322da
hexc7696f

13068655 has 4 divisors (see below), whose sum is σ = 15682392. Its totient is φ = 10454920.

The previous prime is 13068619. The next prime is 13068661. The reversal of 13068655 is 55686031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13068655 - 27 = 13068527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13068655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306861 + ... + 1306870.

It is an arithmetic number, because the mean of its divisors is an integer number (3920598).

Almost surely, 213068655 is an apocalyptic number.

13068655 is a deficient number, since it is larger than the sum of its proper divisors (2613737).

13068655 is an equidigital number, since it uses as much as digits as its factorization.

13068655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613736.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 13068655 is about 3615.0594739229. The cubic root of 13068655 is about 235.5466675757.

The spelling of 13068655 in words is "thirteen million, sixty-eight thousand, six hundred fifty-five".

Divisors: 1 5 2613731 13068655