Search a number
-
+
13180107 = 34393369
BaseRepresentation
bin110010010001…
…110011001011
3220210121201010
4302101303023
511333230412
61150255003
7220012653
oct62216313
926717633
1013180107
117492456
1244b7463
1329661a5
141a71363
15125533c
hexc91ccb

13180107 has 4 divisors (see below), whose sum is σ = 17573480. Its totient is φ = 8786736.

The previous prime is 13180067. The next prime is 13180121. The reversal of 13180107 is 70108131.

13180107 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70108131 = 323369377.

It is not a de Polignac number, because 13180107 - 26 = 13180043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13180157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196682 + ... + 2196687.

It is an arithmetic number, because the mean of its divisors is an integer number (4393370).

Almost surely, 213180107 is an apocalyptic number.

13180107 is a deficient number, since it is larger than the sum of its proper divisors (4393373).

13180107 is an equidigital number, since it uses as much as digits as its factorization.

13180107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393372.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 13180107 is about 3630.4417086630. The cubic root of 13180107 is about 236.2143688040.

Adding to 13180107 its reverse (70108131), we get a palindrome (83288238).

The spelling of 13180107 in words is "thirteen million, one hundred eighty thousand, one hundred seven".

Divisors: 1 3 4393369 13180107