Base | Representation |
---|---|
bin | 111101011101… |
… | …110110111001 |
3 | 1010022121222210 |
4 | 331131312321 |
5 | 13111104311 |
6 | 1333205333 |
7 | 253646625 |
oct | 75356671 |
9 | 33277883 |
10 | 16113081 |
11 | 9105aa6 |
12 | 5490849 |
13 | 345218a |
14 | 21d6185 |
15 | 16343a6 |
hex | f5ddb9 |
16113081 has 8 divisors (see below), whose sum is σ = 21530880. Its totient is φ = 10718672.
The previous prime is 16113079. The next prime is 16113091. The reversal of 16113081 is 18031161.
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 16113081 - 21 = 16113079 is a prime.
It is a super-2 number, since 2×161130812 = 519262758625122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (16113001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4170 + ... + 7043.
It is an arithmetic number, because the mean of its divisors is an integer number (2691360).
Almost surely, 216113081 is an apocalyptic number.
It is an amenable number.
16113081 is a deficient number, since it is larger than the sum of its proper divisors (5417799).
16113081 is a wasteful number, since it uses less digits than its factorization.
16113081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11695.
The product of its (nonzero) digits is 144, while the sum is 21.
The square root of 16113081 is about 4014.1102376492. The cubic root of 16113081 is about 252.5764549708.
The spelling of 16113081 in words is "sixteen million, one hundred thirteen thousand, eighty-one".
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