Base | Representation |
---|---|
bin | 110001001101… |
… | …110001100001 |
3 | 220021110111100 |
4 | 301031301201 |
5 | 11300321343 |
6 | 1140305013 |
7 | 214442424 |
oct | 61156141 |
9 | 26243440 |
10 | 12901473 |
11 | 7312082 |
12 | 43a2169 |
13 | 2899410 |
14 | 19db9bb |
15 | 11ec9d3 |
hex | c4dc61 |
12901473 has 12 divisors (see below), whose sum is σ = 20069140. Its totient is φ = 7939296.
The previous prime is 12901457. The next prime is 12901501. The reversal of 12901473 is 37410921.
It can be written as a sum of positive squares in 2 ways, for example, as 7551504 + 5349969 = 2748^2 + 2313^2 .
It is not a de Polignac number, because 12901473 - 24 = 12901457 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12901403) 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 11 ways as a sum of consecutive naturals, for example, 55018 + ... + 55251.
Almost surely, 212901473 is an apocalyptic number.
12901473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12901473 is a deficient number, since it is larger than the sum of its proper divisors (7167667).
12901473 is a wasteful number, since it uses less digits than its factorization.
12901473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110288 (or 110285 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 12901473 is about 3591.8620519168. The cubic root of 12901473 is about 234.5379361947.
The spelling of 12901473 in words is "twelve million, nine hundred one thousand, four hundred seventy-three".
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