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79852001849 is a prime number
BaseRepresentation
bin100101001011110001…
…1001101101000111001
321122010000121222200222
41022113203031220321
52302014103024344
6100403345305425
75524543550054
oct1122743155071
9248100558628
1079852001849
1130957411964
1213586335275
1376b7587149
143c17251a9b
1521254d75ee
hex12978cda39

79852001849 has 2 divisors, whose sum is σ = 79852001850. Its totient is φ = 79852001848.

The previous prime is 79852001833. The next prime is 79852001891. The reversal of 79852001849 is 94810025897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40392960400 + 39459041449 = 200980^2 + 198643^2 .

It is a cyclic number.

It is not a de Polignac number, because 79852001849 - 24 = 79852001833 is a prime.

It is a super-3 number, since 3×798520018493 (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79852001849.

It is not a weakly prime, because it can be changed into another prime (79852001819) 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, 39926000924 + 39926000925.

It is an arithmetic number, because the mean of its divisors is an integer number (39926000925).

Almost surely, 279852001849 is an apocalyptic number.

It is an amenable number.

79852001849 is a deficient number, since it is larger than the sum of its proper divisors (1).

79852001849 is an equidigital number, since it uses as much as digits as its factorization.

79852001849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 79852001849 in words is "seventy-nine billion, eight hundred fifty-two million, one thousand, eight hundred forty-nine".