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13080266 = 26540133
BaseRepresentation
bin110001111001…
…011011001010
3220121112202022
4301321123022
511322032031
61144204442
7216115613
oct61713312
926545668
1013080266
117424441
124469722
13292c904
141a46c0a
15123597b
hexc796ca

13080266 has 4 divisors (see below), whose sum is σ = 19620402. Its totient is φ = 6540132.

The previous prime is 13080257. The next prime is 13080281. The reversal of 13080266 is 66208031.

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

It can be written as a sum of positive squares in only one way, i.e., 8791225 + 4289041 = 2965^2 + 2071^2 .

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 as a sum of consecutive naturals, namely, 3270065 + ... + 3270068.

Almost surely, 213080266 is an apocalyptic number.

13080266 is a deficient number, since it is larger than the sum of its proper divisors (6540136).

13080266 is an equidigital number, since it uses as much as digits as its factorization.

13080266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6540135.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13080266 is about 3616.6650384021. The cubic root of 13080266 is about 235.6164049943.

Adding to 13080266 its reverse (66208031), we get a palindrome (79288297).

The spelling of 13080266 in words is "thirteen million, eighty thousand, two hundred sixty-six".

Divisors: 1 2 6540133 13080266