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79722160801 is a prime number
BaseRepresentation
bin100101000111111001…
…1111010001010100001
321121202222022101021021
41022033303322022201
52301232333121201
6100342430325441
75521406120533
oct1121763721241
9247688271237
1079722160801
11308a0099408
121354a959881
1376966c5b1a
143c03cd3853
152118ddaea1
hex128fcfa2a1

79722160801 has 2 divisors, whose sum is σ = 79722160802. Its totient is φ = 79722160800.

The previous prime is 79722160759. The next prime is 79722160811. The reversal of 79722160801 is 10806122797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50847995025 + 28874165776 = 225495^2 + 169924^2 .

It is a cyclic number.

It is not a de Polignac number, because 79722160801 - 27 = 79722160673 is a prime.

It is not a weakly prime, because it can be changed into another prime (79722160811) 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, 39861080400 + 39861080401.

It is an arithmetic number, because the mean of its divisors is an integer number (39861080401).

Almost surely, 279722160801 is an apocalyptic number.

It is an amenable number.

79722160801 is a deficient number, since it is larger than the sum of its proper divisors (1).

79722160801 is an equidigital number, since it uses as much as digits as its factorization.

79722160801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 79722160801 in words is "seventy-nine billion, seven hundred twenty-two million, one hundred sixty thousand, eight hundred one".