Base | Representation |
---|---|
bin | 110001001111… |
… | …101100111000 |
3 | 220021212022202 |
4 | 301033230320 |
5 | 11301044433 |
6 | 1140405332 |
7 | 214504433 |
oct | 61175470 |
9 | 26255282 |
10 | 12909368 |
11 | 7317aaa |
12 | 43a6848 |
13 | 289cba4 |
14 | 1a0081a |
15 | 11eeee8 |
hex | c4fb38 |
12909368 has 8 divisors (see below), whose sum is σ = 24205080. Its totient is φ = 6454680.
The previous prime is 12909353. The next prime is 12909389. The reversal of 12909368 is 86390921.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
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 as a sum of consecutive naturals, namely, 806828 + ... + 806843.
It is an arithmetic number, because the mean of its divisors is an integer number (3025635).
Almost surely, 212909368 is an apocalyptic number.
It is an amenable number.
12909368 is a deficient number, since it is larger than the sum of its proper divisors (11295712).
12909368 is a wasteful number, since it uses less digits than its factorization.
12909368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1613677 (or 1613673 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 38.
The square root of 12909368 is about 3592.9608959742. The cubic root of 12909368 is about 234.5857679275.
The spelling of 12909368 in words is "twelve million, nine hundred nine thousand, three hundred sixty-eight".
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