Base | Representation |
---|---|
bin | 111101100101… |
… | …001000111111 |
3 | 1010101010220121 |
4 | 331211020333 |
5 | 13113033121 |
6 | 1333555411 |
7 | 254132611 |
oct | 75451077 |
9 | 33333817 |
10 | 16142911 |
11 | 9126454 |
12 | 54a5b67 |
13 | 3462925 |
14 | 2202db1 |
15 | 163d141 |
hex | f6523f |
16142911 has 4 divisors (see below), whose sum is σ = 17092512. Its totient is φ = 15193312.
The previous prime is 16142891. The next prime is 16142921. The reversal of 16142911 is 11924161.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11924161 = 101 ⋅118061.
It is a cyclic number.
It is not a de Polignac number, because 16142911 - 27 = 16142783 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16142921) 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, 474775 + ... + 474808.
It is an arithmetic number, because the mean of its divisors is an integer number (4273128).
Almost surely, 216142911 is an apocalyptic number.
16142911 is a deficient number, since it is larger than the sum of its proper divisors (949601).
16142911 is an equidigital number, since it uses as much as digits as its factorization.
16142911 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 949600.
The product of its digits is 432, while the sum is 25.
The square root of 16142911 is about 4017.8241624043. The cubic root of 16142911 is about 252.7322230493.
The spelling of 16142911 in words is "sixteen million, one hundred forty-two thousand, nine hundred eleven".
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