Base | Representation |
---|---|
bin | 110001111011… |
… | …110101000011 |
3 | 220122001021002 |
4 | 301323311003 |
5 | 11322340430 |
6 | 1144322215 |
7 | 216156413 |
oct | 61736503 |
9 | 26561232 |
10 | 13090115 |
11 | 7430885 |
12 | 447336b |
13 | 293423c |
14 | 1a4a643 |
15 | 1238845 |
hex | c7bd43 |
13090115 has 4 divisors (see below), whose sum is σ = 15708144. Its totient is φ = 10472088.
The previous prime is 13090109. The next prime is 13090127. The reversal of 13090115 is 51109031.
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 13090115 - 212 = 13086019 is a prime.
It is a super-2 number, since 2×130901152 = 342702221426450, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309007 + ... + 1309016.
It is an arithmetic number, because the mean of its divisors is an integer number (3927036).
Almost surely, 213090115 is an apocalyptic number.
13090115 is a deficient number, since it is larger than the sum of its proper divisors (2618029).
13090115 is an equidigital number, since it uses as much as digits as its factorization.
13090115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2618028.
The product of its (nonzero) digits is 135, while the sum is 20.
The square root of 13090115 is about 3618.0263957025. The cubic root of 13090115 is about 235.6755272317.
Adding to 13090115 its reverse (51109031), we get a palindrome (64199146).
The spelling of 13090115 in words is "thirteen million, ninety thousand, one hundred fifteen".
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