Base | Representation |
---|---|
bin | 100000001101… |
… | …1010010110101 |
3 | 1011210001101000 |
4 | 1000123102311 |
5 | 13310422023 |
6 | 1401553513 |
7 | 263361051 |
oct | 100332265 |
9 | 34701330 |
10 | 16889013 |
11 | 9595a69 |
12 | 57a5899 |
13 | 36643cb |
14 | 2358c61 |
15 | 1739243 |
hex | 101b4b5 |
16889013 has 16 divisors (see below), whose sum is σ = 25267840. Its totient is φ = 11148192.
The previous prime is 16889011. The next prime is 16889021. The reversal of 16889013 is 31098861.
It is not a de Polignac number, because 16889013 - 21 = 16889011 is a prime.
It is a super-2 number, since 2×168890132 = 570477520228338, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16889011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256 + ... + 5817.
It is an arithmetic number, because the mean of its divisors is an integer number (1579240).
Almost surely, 216889013 is an apocalyptic number.
It is an amenable number.
16889013 is a deficient number, since it is larger than the sum of its proper divisors (8378827).
16889013 is a wasteful number, since it uses less digits than its factorization.
16889013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6185 (or 6179 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 16889013 is about 4109.6244353955. The cubic root of 16889013 is about 256.5673705596.
It can be divided in two parts, 1688 and 9013, that added together give a palindrome (10701).
The spelling of 16889013 in words is "sixteen million, eight hundred eighty-nine thousand, thirteen".
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