Base | Representation |
---|---|
bin | 101101110010… |
… | …101100101111 |
3 | 211120212120220 |
4 | 231302230233 |
5 | 11033113033 |
6 | 1105142423 |
7 | 204014334 |
oct | 55625457 |
9 | 24525526 |
10 | 12004143 |
11 | 6859988 |
12 | 402aa13 |
13 | 2643b58 |
14 | 184698b |
15 | 10c1bb3 |
hex | b72b2f |
12004143 has 8 divisors (see below), whose sum is σ = 16848000. Its totient is φ = 7581528.
The previous prime is 12004117. The next prime is 12004163. The reversal of 12004143 is 34140021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12004143 - 218 = 11741999 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12004163) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105243 + ... + 105356.
It is an arithmetic number, because the mean of its divisors is an integer number (2106000).
Almost surely, 212004143 is an apocalyptic number.
12004143 is a deficient number, since it is larger than the sum of its proper divisors (4843857).
12004143 is a wasteful number, since it uses less digits than its factorization.
12004143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210621.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 12004143 is about 3464.6995540739. The cubic root of 12004143 is about 228.9691929852.
Adding to 12004143 its reverse (34140021), we get a palindrome (46144164).
The spelling of 12004143 in words is "twelve million, four thousand, one hundred forty-three".
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