Base | Representation |
---|---|
bin | 101110011010… |
… | …111110100000 |
3 | 211220020220011 |
4 | 232122332200 |
5 | 11103402440 |
6 | 1112454304 |
7 | 205302325 |
oct | 56327640 |
9 | 24806804 |
10 | 12169120 |
11 | 6961927 |
12 | 40aa394 |
13 | 26a0c82 |
14 | 188ab4c |
15 | 11059ea |
hex | b9afa0 |
12169120 has 48 divisors (see below), whose sum is σ = 30270240. Its totient is φ = 4610304.
The previous prime is 12169117. The next prime is 12169121. The reversal of 12169120 is 2196121.
It is a junction number, because it is equal to n+sod(n) for n = 12169091 and 12169100.
It is not an unprimeable number, because it can be changed into a prime (12169121) 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 7 ways as a sum of consecutive naturals, for example, 1039 + ... + 5041.
It is an arithmetic number, because the mean of its divisors is an integer number (630630).
Almost surely, 212169120 is an apocalyptic number.
12169120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12169120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15135120).
12169120 is an abundant number, since it is smaller than the sum of its proper divisors (18101120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12169120 is a wasteful number, since it uses less digits than its factorization.
12169120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4037 (or 4029 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 22.
The square root of 12169120 is about 3488.4265794194. The cubic root of 12169120 is about 230.0133577623.
The spelling of 12169120 in words is "twelve million, one hundred sixty-nine thousand, one hundred twenty".
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