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79965284533 is a prime number
BaseRepresentation
bin100101001111001001…
…1010110100010110101
321122101220210100022221
41022132103112202311
52302232103101113
6100422513322341
75530420463221
oct1123623264265
9248356710287
1079965284533
1130a05355912
12135b82663b1
137704b9b714
143c282dd781
15213041298d
hex129e4d68b5

79965284533 has 2 divisors, whose sum is σ = 79965284534. Its totient is φ = 79965284532.

The previous prime is 79965284479. The next prime is 79965284537. The reversal of 79965284533 is 33548256997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63624008644 + 16341275889 = 252238^2 + 127833^2 .

It is an emirp because it is prime and its reverse (33548256997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79965284533 - 213 = 79965276341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79965284537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39982642266 + 39982642267.

It is an arithmetic number, because the mean of its divisors is an integer number (39982642267).

Almost surely, 279965284533 is an apocalyptic number.

It is an amenable number.

79965284533 is a deficient number, since it is larger than the sum of its proper divisors (1).

79965284533 is an equidigital number, since it uses as much as digits as its factorization.

79965284533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 61.

The spelling of 79965284533 in words is "seventy-nine billion, nine hundred sixty-five million, two hundred eighty-four thousand, five hundred thirty-three".