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12428080885457 is a prime number
BaseRepresentation
bin1011010011011010001101…
…0110001010111011010001
31122000010001022210020220222
42310312203112022323101
53112110202201313312
642233214225042425
72421620300342156
oct264664326127321
948003038706828
1012428080885457
113a617a072a056
12148878b186415
136c1c69929083
1430d74538822d
15168439c0b672
hexb4da358aed1

12428080885457 has 2 divisors, whose sum is σ = 12428080885458. Its totient is φ = 12428080885456.

The previous prime is 12428080885421. The next prime is 12428080885459. The reversal of 12428080885457 is 75458808082421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11718188697856 + 709892187601 = 3423184^2 + 842551^2 .

It is a cyclic number.

It is not a de Polignac number, because 12428080885457 - 214 = 12428080869073 is a prime.

Together with 12428080885459, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12428080885457.

It is not a weakly prime, because it can be changed into another prime (12428080885459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6214040442728 + 6214040442729.

It is an arithmetic number, because the mean of its divisors is an integer number (6214040442729).

Almost surely, 212428080885457 is an apocalyptic number.

It is an amenable number.

12428080885457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12428080885457 is an equidigital number, since it uses as much as digits as its factorization.

12428080885457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45875200, while the sum is 62.

The spelling of 12428080885457 in words is "twelve trillion, four hundred twenty-eight billion, eighty million, eight hundred eighty-five thousand, four hundred fifty-seven".