Base | Representation |
---|---|
bin | 110001010110… |
… | …110010101011 |
3 | 220100100011102 |
4 | 301112302223 |
5 | 11303012121 |
6 | 1141152015 |
7 | 214655213 |
oct | 61266253 |
9 | 26310142 |
10 | 12938411 |
11 | 7337902 |
12 | 43bb60b |
13 | 28b0185 |
14 | 1a0b243 |
15 | 120890b |
hex | c56cab |
12938411 has 16 divisors (see below), whose sum is σ = 14787360. Its totient is φ = 11243520.
The previous prime is 12938389. The next prime is 12938461. The reversal of 12938411 is 11483921.
It is a cyclic number.
It is not a de Polignac number, because 12938411 - 26 = 12938347 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12938461) 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 15 ways as a sum of consecutive naturals, for example, 12755 + ... + 13731.
It is an arithmetic number, because the mean of its divisors is an integer number (924210).
Almost surely, 212938411 is an apocalyptic number.
12938411 is a deficient number, since it is larger than the sum of its proper divisors (1848949).
12938411 is a wasteful number, since it uses less digits than its factorization.
12938411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1054.
The product of its digits is 1728, while the sum is 29.
The square root of 12938411 is about 3597.0002780094. Note that the first 3 decimals coincide. The cubic root of 12938411 is about 234.7615568474.
The spelling of 12938411 in words is "twelve million, nine hundred thirty-eight thousand, four hundred eleven".
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