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28864602800939 is a prime number
BaseRepresentation
bin1101001000000100100000…
…11001011000001100101011
310210012102120210112222010202
412210002100121120030223
512240404201304112224
6141220114312502415
76036253523420453
oct644022031301453
9123172523488122
1028864602800939
119219455867544
1232a21a10aaa0b
131314bc706c899
1471b0a8b40d63
15350c7b988eae
hex1a409065832b

28864602800939 has 2 divisors, whose sum is σ = 28864602800940. Its totient is φ = 28864602800938.

The previous prime is 28864602800903. The next prime is 28864602800941. The reversal of 28864602800939 is 93900820646882.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28864602800939 is a prime.

Together with 28864602800941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28864602800239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14432301400469 + 14432301400470.

It is an arithmetic number, because the mean of its divisors is an integer number (14432301400470).

Almost surely, 228864602800939 is an apocalyptic number.

28864602800939 is a deficient number, since it is larger than the sum of its proper divisors (1).

28864602800939 is an equidigital number, since it uses as much as digits as its factorization.

28864602800939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71663616, while the sum is 65.

The spelling of 28864602800939 in words is "twenty-eight trillion, eight hundred sixty-four billion, six hundred two million, eight hundred thousand, nine hundred thirty-nine".