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80783067973 is a prime number
BaseRepresentation
bin100101100111100001…
…0111100101101000101
321201111220121001022111
41023033002330231011
52310420431133343
6101040005301021
75556610514416
oct1131702745505
9251456531274
1080783067973
1131294a326a3
12137a6104771
137805439b4a
143ca4b7780d
15217c0edc9d
hex12cf0bcb45

80783067973 has 2 divisors, whose sum is σ = 80783067974. Its totient is φ = 80783067972.

The previous prime is 80783067931. The next prime is 80783067977. The reversal of 80783067973 is 37976038708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76141779844 + 4641288129 = 275938^2 + 68127^2 .

It is a cyclic number.

It is not a de Polignac number, because 80783067973 - 225 = 80749513541 is a prime.

It is a super-2 number, since 2×807830679732 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80783067977) 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, 40391533986 + 40391533987.

It is an arithmetic number, because the mean of its divisors is an integer number (40391533987).

Almost surely, 280783067973 is an apocalyptic number.

It is an amenable number.

80783067973 is a deficient number, since it is larger than the sum of its proper divisors (1).

80783067973 is an equidigital number, since it uses as much as digits as its factorization.

80783067973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 80783067973 in words is "eighty billion, seven hundred eighty-three million, sixty-seven thousand, nine hundred seventy-three".