Base | Representation |
---|---|
bin | 110000001011… |
… | …000101111111 |
3 | 212202120211201 |
4 | 300023011333 |
5 | 11213101401 |
6 | 1130400331 |
7 | 212224231 |
oct | 60130577 |
9 | 25676751 |
10 | 12628351 |
11 | 714595a |
12 | 42900a7 |
13 | 2801cc8 |
14 | 196a251 |
15 | 1196b01 |
hex | c0b17f |
12628351 has 2 divisors, whose sum is σ = 12628352. Its totient is φ = 12628350.
The previous prime is 12628349. The next prime is 12628379. The reversal of 12628351 is 15382621.
It is an a-pointer prime, because the next prime (12628379) can be obtained adding 12628351 to its sum of digits (28).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12628351 - 21 = 12628349 is a prime.
Together with 12628349, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12628321) 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 as a sum of consecutive naturals, namely, 6314175 + 6314176.
It is an arithmetic number, because the mean of its divisors is an integer number (6314176).
Almost surely, 212628351 is an apocalyptic number.
12628351 is the 1900-th centered heptagonal number.
12628351 is a deficient number, since it is larger than the sum of its proper divisors (1).
12628351 is an equidigital number, since it uses as much as digits as its factorization.
12628351 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2880, while the sum is 28.
The square root of 12628351 is about 3553.6391206762. The cubic root of 12628351 is about 232.8710750712.
The spelling of 12628351 in words is "twelve million, six hundred twenty-eight thousand, three hundred fifty-one".
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