Base | Representation |
---|---|
bin | 110010010001… |
… | …110011100111 |
3 | 220210121202011 |
4 | 302101303213 |
5 | 11333231020 |
6 | 1150255051 |
7 | 220013023 |
oct | 62216347 |
9 | 26717664 |
10 | 13180135 |
11 | 7492481 |
12 | 44b7487 |
13 | 29661c7 |
14 | 1a71383 |
15 | 125535a |
hex | c91ce7 |
13180135 has 4 divisors (see below), whose sum is σ = 15816168. Its totient is φ = 10544104.
The previous prime is 13180121. The next prime is 13180157. The reversal of 13180135 is 53108131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53108131 = 83 ⋅639857.
It is a cyclic number.
It is not a de Polignac number, because 13180135 - 29 = 13179623 is a prime.
It is a Duffinian number.
It is a congruent number.
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 in 3 ways as a sum of consecutive naturals, for example, 1318009 + ... + 1318018.
It is an arithmetic number, because the mean of its divisors is an integer number (3954042).
Almost surely, 213180135 is an apocalyptic number.
13180135 is a deficient number, since it is larger than the sum of its proper divisors (2636033).
13180135 is an equidigital number, since it uses as much as digits as its factorization.
13180135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2636032.
The product of its (nonzero) digits is 360, while the sum is 22.
The square root of 13180135 is about 3630.4455649410. The cubic root of 13180135 is about 236.2145360763.
Adding to 13180135 its reverse (53108131), we get a palindrome (66288266).
The spelling of 13180135 in words is "thirteen million, one hundred eighty thousand, one hundred thirty-five".
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