Base | Representation |
---|---|
bin | 110000101001… |
… | …000000000011 |
3 | 212222210212202 |
4 | 300221000003 |
5 | 11231011401 |
6 | 1133143415 |
7 | 213244331 |
oct | 60510003 |
9 | 25883782 |
10 | 12750851 |
11 | 72199a3 |
12 | 432ab6b |
13 | 28459a9 |
14 | 199cb51 |
15 | 11bd06b |
hex | c29003 |
12750851 has 2 divisors, whose sum is σ = 12750852. Its totient is φ = 12750850.
The previous prime is 12750841. The next prime is 12750863. The reversal of 12750851 is 15805721.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12750851 - 210 = 12749827 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12750811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375425 + 6375426.
It is an arithmetic number, because the mean of its divisors is an integer number (6375426).
Almost surely, 212750851 is an apocalyptic number.
12750851 is a deficient number, since it is larger than the sum of its proper divisors (1).
12750851 is an equidigital number, since it uses as much as digits as its factorization.
12750851 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2800, while the sum is 29.
The square root of 12750851 is about 3570.8333761182. The cubic root of 12750851 is about 233.6216338861.
The spelling of 12750851 in words is "twelve million, seven hundred fifty thousand, eight hundred fifty-one".
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