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98578348469 is a prime number
BaseRepresentation
bin101101111001110111…
…0100011100110110101
3100102110002112221222022
41123303232203212311
53103342024122334
6113141500042525
710056602064566
oct1336356434665
9312402487868
1098578348469
11388969a9287
1217131833445
1393b011cc13
144ab231416d
15286e51982e
hex16f3ba39b5

98578348469 has 2 divisors, whose sum is σ = 98578348470. Its totient is φ = 98578348468.

The previous prime is 98578348447. The next prime is 98578348499. The reversal of 98578348469 is 96484387589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95818107025 + 2760241444 = 309545^2 + 52538^2 .

It is an emirp because it is prime and its reverse (96484387589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98578348469 - 224 = 98561571253 is a prime.

It is a super-3 number, since 3×985783484693 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98578348499) 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, 49289174234 + 49289174235.

It is an arithmetic number, because the mean of its divisors is an integer number (49289174235).

Almost surely, 298578348469 is an apocalyptic number.

It is an amenable number.

98578348469 is a deficient number, since it is larger than the sum of its proper divisors (1).

98578348469 is an equidigital number, since it uses as much as digits as its factorization.

98578348469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 418037760, while the sum is 71.

The spelling of 98578348469 in words is "ninety-eight billion, five hundred seventy-eight million, three hundred forty-eight thousand, four hundred sixty-nine".