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80893278131 is a prime number
BaseRepresentation
bin100101101010110011…
…1010111011110110011
321201210120222022020012
41023111213113132303
52311132134400011
6101054543405135
75562416343011
oct1132547273663
9251716868205
1080893278131
1131341168176
1213816bb37ab
137822216a63
143cb56658b1
152186b1da8b
hex12d59d77b3

80893278131 has 2 divisors, whose sum is σ = 80893278132. Its totient is φ = 80893278130.

The previous prime is 80893278121. The next prime is 80893278157. The reversal of 80893278131 is 13187239808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80893278131 - 226 = 80826169267 is a prime.

It is a super-2 number, since 2×808932781312 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80893278131.

It is not a weakly prime, because it can be changed into another prime (80893278121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40446639065 + 40446639066.

It is an arithmetic number, because the mean of its divisors is an integer number (40446639066).

Almost surely, 280893278131 is an apocalyptic number.

80893278131 is a deficient number, since it is larger than the sum of its proper divisors (1).

80893278131 is an equidigital number, since it uses as much as digits as its factorization.

80893278131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 80893278131 in words is "eighty billion, eight hundred ninety-three million, two hundred seventy-eight thousand, one hundred thirty-one".