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28502774083673 is a prime number
BaseRepresentation
bin1100111101100010100011…
…01110010111000001011001
310201220211122022222200011022
412132301101232113001121
512213442140131134143
6140341554343412225
76001154212156151
oct636612156270131
9121824568880138
1028502774083673
119099a5a9a48aa
123244041454075
1312b9a5297a896
14707782319761
1534665124a268
hex19ec51b97059

28502774083673 has 2 divisors, whose sum is σ = 28502774083674. Its totient is φ = 28502774083672.

The previous prime is 28502774083583. The next prime is 28502774083681. The reversal of 28502774083673 is 37638047720582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25802773007449 + 2700001076224 = 5079643^2 + 1643168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28502774083673 is a prime.

It is not a weakly prime, because it can be changed into another prime (28502774083073) 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, 14251387041836 + 14251387041837.

It is an arithmetic number, because the mean of its divisors is an integer number (14251387041837).

Almost surely, 228502774083673 is an apocalyptic number.

It is an amenable number.

28502774083673 is a deficient number, since it is larger than the sum of its proper divisors (1).

28502774083673 is an equidigital number, since it uses as much as digits as its factorization.

28502774083673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94832640, while the sum is 62.

The spelling of 28502774083673 in words is "twenty-eight trillion, five hundred two billion, seven hundred seventy-four million, eighty-three thousand, six hundred seventy-three".