Base | Representation |
---|---|
bin | 1100111001010… |
… | …11011001111001 |
3 | 21112120011120220 |
4 | 12130223121321 |
5 | 210143243423 |
6 | 14422410253 |
7 | 2452344555 |
oct | 634533171 |
9 | 245504526 |
10 | 108181113 |
11 | 5607a087 |
12 | 30290989 |
13 | 195494c1 |
14 | 10520865 |
15 | 976d9e3 |
hex | 672b679 |
108181113 has 4 divisors (see below), whose sum is σ = 144241488. Its totient is φ = 72120740.
The previous prime is 108181111. The next prime is 108181127. The reversal of 108181113 is 311181801.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 108181113 - 21 = 108181111 is a prime.
It is not an unprimeable number, because it can be changed into a prime (108181111) 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, 18030183 + ... + 18030188.
It is an arithmetic number, because the mean of its divisors is an integer number (36060372).
Almost surely, 2108181113 is an apocalyptic number.
It is an amenable number.
108181113 is a deficient number, since it is larger than the sum of its proper divisors (36060375).
108181113 is an equidigital number, since it uses as much as digits as its factorization.
108181113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36060374.
The product of its (nonzero) digits is 192, while the sum is 24.
The square root of 108181113 is about 10401.0149985470. The cubic root of 108181113 is about 476.4863696710.
The spelling of 108181113 in words is "one hundred eight million, one hundred eighty-one thousand, one hundred thirteen".
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