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79752217471 is a prime number
BaseRepresentation
bin100101001000110011…
…0100100001101111111
321121212001212102021021
41022101212210031333
52301313031424341
6100345422445011
75522222443363
oct1122146441577
9247761772237
1079752217471
1130906058433
1213558a33767
13769c9ba834
143c07cb92a3
15211b8769d1
hex12919a437f

79752217471 has 2 divisors, whose sum is σ = 79752217472. Its totient is φ = 79752217470.

The previous prime is 79752217421. The next prime is 79752217481. The reversal of 79752217471 is 17471225797.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79752217471 - 27 = 79752217343 is a prime.

It is a super-3 number, since 3×797522174713 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79752217421) 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, 39876108735 + 39876108736.

It is an arithmetic number, because the mean of its divisors is an integer number (39876108736).

Almost surely, 279752217471 is an apocalyptic number.

79752217471 is a deficient number, since it is larger than the sum of its proper divisors (1).

79752217471 is an equidigital number, since it uses as much as digits as its factorization.

79752217471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728720, while the sum is 52.

The spelling of 79752217471 in words is "seventy-nine billion, seven hundred fifty-two million, two hundred seventeen thousand, four hundred seventy-one".