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80060122809 = 328895569201
BaseRepresentation
bin100101010001111110…
…1001000011010111001
321122122112020121222200
41022203331020122321
52302430342412214
6100440142140413
75532651546522
oct1124375103271
9248575217880
1080060122809
1130a53941257
1213623b81709
13771b725944
143c36b49849
1521388e7d09
hex12a3f486b9

80060122809 has 6 divisors (see below), whose sum is σ = 115642399626. Its totient is φ = 53373415200.

The previous prime is 80060122799. The next prime is 80060122837. The reversal of 80060122809 is 90822106008.

It can be written as a sum of positive squares in only one way, i.e., 58735946025 + 21324176784 = 242355^2 + 146028^2 .

It is not a de Polignac number, because 80060122809 - 29 = 80060122297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80060102809) 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 in 5 ways as a sum of consecutive naturals, for example, 4447784592 + ... + 4447784609.

It is an arithmetic number, because the mean of its divisors is an integer number (19273733271).

Almost surely, 280060122809 is an apocalyptic number.

It is an amenable number.

80060122809 is a deficient number, since it is larger than the sum of its proper divisors (35582276817).

80060122809 is a wasteful number, since it uses less digits than its factorization.

80060122809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8895569207 (or 8895569204 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 80060122809 in words is "eighty billion, sixty million, one hundred twenty-two thousand, eight hundred nine".

Divisors: 1 3 9 8895569201 26686707603 80060122809