Base | Representation |
---|---|
bin | 110001000001… |
… | …001010111011 |
3 | 220011211200102 |
4 | 301001022323 |
5 | 11242143401 |
6 | 1135230015 |
7 | 214136060 |
oct | 61011273 |
9 | 26154612 |
10 | 12849851 |
11 | 7287313 |
12 | 437830b |
13 | 287ba81 |
14 | 19c6c67 |
15 | 11dc56b |
hex | c412bb |
12849851 has 8 divisors (see below), whose sum is σ = 15044064. Its totient is φ = 10745280.
The previous prime is 12849839. The next prime is 12849853. The reversal of 12849851 is 15894821.
12849851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-12849851 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12849853) 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 7 ways as a sum of consecutive naturals, for example, 22100 + ... + 22673.
It is an arithmetic number, because the mean of its divisors is an integer number (1880508).
Almost surely, 212849851 is an apocalyptic number.
12849851 is a deficient number, since it is larger than the sum of its proper divisors (2194213).
12849851 is an equidigital number, since it uses as much as digits as its factorization.
12849851 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44821.
The product of its digits is 23040, while the sum is 38.
The square root of 12849851 is about 3584.6688828956. The cubic root of 12849851 is about 234.2247031899.
The spelling of 12849851 in words is "twelve million, eight hundred forty-nine thousand, eight hundred fifty-one".
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