Base | Representation |
---|---|
bin | 110000110111… |
… | …011110010010 |
3 | 220002211012021 |
4 | 300313132102 |
5 | 11234411010 |
6 | 1134322054 |
7 | 213612214 |
oct | 60673622 |
9 | 26084167 |
10 | 12810130 |
11 | 725a493 |
12 | 435932a |
13 | 2866978 |
14 | 19b65b4 |
15 | 11d08da |
hex | c37792 |
12810130 has 32 divisors (see below), whose sum is σ = 24380928. Its totient is φ = 4843440.
The previous prime is 12810121. The next prime is 12810143. The reversal of 12810130 is 3101821.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 297889 + ... + 297931.
It is an arithmetic number, because the mean of its divisors is an integer number (761904).
Almost surely, 212810130 is an apocalyptic number.
12810130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12810130 is a deficient number, since it is larger than the sum of its proper divisors (11570798).
12810130 is an frugal number, since it uses more digits than its factorization.
12810130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143 (or 81 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 12810130 is about 3579.1241945482. The cubic root of 12810130 is about 233.9831117429.
Adding to 12810130 its reverse (3101821), we get a palindrome (15911951).
The spelling of 12810130 in words is "twelve million, eight hundred ten thousand, one hundred thirty".
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