Base | Representation |
---|---|
bin | 110010010110… |
… | …101011110011 |
3 | 220211122011011 |
4 | 302112223303 |
5 | 11334400430 |
6 | 1150531351 |
7 | 220125205 |
oct | 62265363 |
9 | 26748134 |
10 | 13200115 |
11 | 74a6495 |
12 | 4506b57 |
13 | 2972326 |
14 | 1a78775 |
15 | 125b22a |
hex | c96af3 |
13200115 has 4 divisors (see below), whose sum is σ = 15840144. Its totient is φ = 10560088.
The previous prime is 13200101. The next prime is 13200119. The reversal of 13200115 is 51100231.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13200115 - 215 = 13167347 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13200095 and 13200104.
It is not an unprimeable number, because it can be changed into a prime (13200119) 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, 1320007 + ... + 1320016.
It is an arithmetic number, because the mean of its divisors is an integer number (3960036).
Almost surely, 213200115 is an apocalyptic number.
13200115 is a deficient number, since it is larger than the sum of its proper divisors (2640029).
13200115 is an equidigital number, since it uses as much as digits as its factorization.
13200115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2640028.
The product of its (nonzero) digits is 30, while the sum is 13.
The square root of 13200115 is about 3633.1962512366. The cubic root of 13200115 is about 236.3338364125. Note that the first 3 decimals are identical.
Adding to 13200115 its reverse (51100231), we get a palindrome (64300346).
The spelling of 13200115 in words is "thirteen million, two hundred thousand, one hundred fifteen".
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