Base | Representation |
---|---|
bin | 111101010101… |
… | …110010001001 |
3 | 1010020221121220 |
4 | 331111302021 |
5 | 13104030014 |
6 | 1332352253 |
7 | 253451331 |
oct | 75256211 |
9 | 33227556 |
10 | 16080009 |
11 | 9093170 |
12 | 5475689 |
13 | 34400ca |
14 | 21c80c1 |
15 | 16296a9 |
hex | f55c89 |
16080009 has 16 divisors (see below), whose sum is σ = 23721984. Its totient is φ = 9606800.
The previous prime is 16079993. The next prime is 16080017. The reversal of 16080009 is 90008061.
It is a cyclic number.
It is not a de Polignac number, because 16080009 - 24 = 16079993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (16080049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089 + ... + 5774.
It is an arithmetic number, because the mean of its divisors is an integer number (1482624).
Almost surely, 216080009 is an apocalyptic number.
It is an amenable number.
16080009 is a deficient number, since it is larger than the sum of its proper divisors (7641975).
16080009 is a wasteful number, since it uses less digits than its factorization.
16080009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6948.
The product of its (nonzero) digits is 432, while the sum is 24.
The square root of 16080009 is about 4009.9886533505. The cubic root of 16080009 is about 252.4035327342.
The spelling of 16080009 in words is "sixteen million, eighty thousand, nine".
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