Base | Representation |
---|---|
bin | 110001000001… |
… | …101101110001 |
3 | 220011221202000 |
4 | 301001231301 |
5 | 11242231311 |
6 | 1135244213 |
7 | 214145424 |
oct | 61015561 |
9 | 26157660 |
10 | 12852081 |
11 | 7288a60 |
12 | 4379669 |
13 | 287caa8 |
14 | 19c79bb |
15 | 11dd056 |
hex | c41b71 |
12852081 has 32 divisors (see below), whose sum is σ = 21014400. Its totient is φ = 7698240.
The previous prime is 12852071. The next prime is 12852109. The reversal of 12852081 is 18025821.
It is not a de Polignac number, because 12852081 - 29 = 12851569 is a prime.
It is a super-2 number, since 2×128520812 = 330351972061122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12852001) 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 31 ways as a sum of consecutive naturals, for example, 32175 + ... + 32571.
It is an arithmetic number, because the mean of its divisors is an integer number (656700).
Almost surely, 212852081 is an apocalyptic number.
12852081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12852081 is a deficient number, since it is larger than the sum of its proper divisors (8162319).
12852081 is a wasteful number, since it uses less digits than its factorization.
12852081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 526 (or 520 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 27.
The square root of 12852081 is about 3584.9799162617. The cubic root of 12852081 is about 234.2382517485.
The spelling of 12852081 in words is "twelve million, eight hundred fifty-two thousand, eighty-one".
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