Base | Representation |
---|---|
bin | 110001111101… |
… | …001010001001 |
3 | 220122022201210 |
4 | 301331022021 |
5 | 11323024221 |
6 | 1144403333 |
7 | 216211323 |
oct | 61751211 |
9 | 26568653 |
10 | 13095561 |
11 | 7434986 |
12 | 4476549 |
13 | 293686b |
14 | 1a4c613 |
15 | 123a276 |
hex | c7d289 |
13095561 has 8 divisors (see below), whose sum is σ = 17480160. Its totient is φ = 8720672.
The previous prime is 13095557. The next prime is 13095569. The reversal of 13095561 is 16559031.
13095561 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13095561 - 22 = 13095557 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13095569) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750 + ... + 5408.
It is an arithmetic number, because the mean of its divisors is an integer number (2185020).
Almost surely, 213095561 is an apocalyptic number.
It is an amenable number.
13095561 is a deficient number, since it is larger than the sum of its proper divisors (4384599).
13095561 is a wasteful number, since it uses less digits than its factorization.
13095561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4855.
The product of its (nonzero) digits is 4050, while the sum is 30.
The square root of 13095561 is about 3618.7789377081. The cubic root of 13095561 is about 235.7082061137.
The spelling of 13095561 in words is "thirteen million, ninety-five thousand, five hundred sixty-one".
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