Base | Representation |
---|---|
bin | 110100001000… |
… | …111011110000 |
3 | 221201102002012 |
4 | 310020323300 |
5 | 11444334310 |
6 | 1204542052 |
7 | 224114426 |
oct | 64107360 |
9 | 27642065 |
10 | 13668080 |
11 | 7796038 |
12 | 46b1928 |
13 | 2aa732a |
14 | 1b5b116 |
15 | 12eec05 |
hex | d08ef0 |
13668080 has 20 divisors (see below), whose sum is σ = 31778472. Its totient is φ = 5467200.
The previous prime is 13668071. The next prime is 13668097. The reversal of 13668080 is 8086631.
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 85346 + ... + 85505.
Almost surely, 213668080 is an apocalyptic number.
13668080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13668080 is an abundant number, since it is smaller than the sum of its proper divisors (18110392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13668080 is a wasteful number, since it uses less digits than its factorization.
13668080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170864 (or 170858 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 13668080 is about 3697.0366511572. The cubic root of 13668080 is about 239.0942713836.
The spelling of 13668080 in words is "thirteen million, six hundred sixty-eight thousand, eighty".
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