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13107193 = 111191563
BaseRepresentation
bin110001111111…
…111111111001
3220122220200121
4301333333321
511323412233
61144533241
7216260251
oct61777771
926586617
1013107193
1174426a0
124481221
13293bc48
141a52961
15123d92d
hexc7fff9

13107193 has 4 divisors (see below), whose sum is σ = 14298768. Its totient is φ = 11915620.

The previous prime is 13107191. The next prime is 13107197. The reversal of 13107193 is 39170131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13107193 - 21 = 13107191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13107191) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 595771 + ... + 595792.

It is an arithmetic number, because the mean of its divisors is an integer number (3574692).

Almost surely, 213107193 is an apocalyptic number.

It is an amenable number.

13107193 is a deficient number, since it is larger than the sum of its proper divisors (1191575).

13107193 is a wasteful number, since it uses less digits than its factorization.

13107193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191574.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 13107193 is about 3620.3857529274. The cubic root of 13107193 is about 235.7779739400. Note that the first 3 decimals are identical.

The spelling of 13107193 in words is "thirteen million, one hundred seven thousand, one hundred ninety-three".

Divisors: 1 11 1191563 13107193