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28028218243033 is a prime number
BaseRepresentation
bin1100101111101110100111…
…11111011111011111011001
310200020110201201110011211101
412113313103333133133121
512133203242332234113
6135335552525031401
75621654243113231
oct627672377373731
9120213651404741
1028028218243033
118a2677855a988
1231880816b5561
131284085099708
146cc80445acc1
153391292c22dd
hex197dd3fdf7d9

28028218243033 has 2 divisors, whose sum is σ = 28028218243034. Its totient is φ = 28028218243032.

The previous prime is 28028218243019. The next prime is 28028218243079. The reversal of 28028218243033 is 33034281282082.

It is an a-pointer prime, because the next prime (28028218243079) can be obtained adding 28028218243033 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24359870967184 + 3668347275849 = 4935572^2 + 1915293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28028218243033 is a prime.

It is not a weakly prime, because it can be changed into another prime (28028218243093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14014109121516 + 14014109121517.

It is an arithmetic number, because the mean of its divisors is an integer number (14014109121517).

Almost surely, 228028218243033 is an apocalyptic number.

It is an amenable number.

28028218243033 is a deficient number, since it is larger than the sum of its proper divisors (1).

28028218243033 is an equidigital number, since it uses as much as digits as its factorization.

28028218243033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 28028218243033 in words is "twenty-eight trillion, twenty-eight billion, two hundred eighteen million, two hundred forty-three thousand, thirty-three".