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28864340763653 is a prime number
BaseRepresentation
bin1101001000000100000001…
…10001110010010000000101
310210012101220112111002120002
412210002000301302100011
512240403132213414103
6141220032312251045
76036244162222403
oct644020061622005
9123171815432502
1028864340763653
119219330961aaa
1232a21293a0a85
131314b849a4235
1471b082010473
15350c63978488
hex1a4080c72405

28864340763653 has 2 divisors, whose sum is σ = 28864340763654. Its totient is φ = 28864340763652.

The previous prime is 28864340763647. The next prime is 28864340763677. The reversal of 28864340763653 is 35636704346882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28842936195844 + 21404567809 = 5370562^2 + 146303^2 .

It is a cyclic number.

It is not a de Polignac number, because 28864340763653 - 218 = 28864340501509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28864340763653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28864340763253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14432170381826 + 14432170381827.

It is an arithmetic number, because the mean of its divisors is an integer number (14432170381827).

Almost surely, 228864340763653 is an apocalyptic number.

It is an amenable number.

28864340763653 is a deficient number, since it is larger than the sum of its proper divisors (1).

28864340763653 is an equidigital number, since it uses as much as digits as its factorization.

28864340763653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 418037760, while the sum is 65.

The spelling of 28864340763653 in words is "twenty-eight trillion, eight hundred sixty-four billion, three hundred forty million, seven hundred sixty-three thousand, six hundred fifty-three".