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80000880889 is a prime number
BaseRepresentation
bin100101010000001101…
…1001001000011111001
321122111101202211100111
41022200123021003321
52302320211142024
6100430224304321
75531332160536
oct1124033110371
9248441684314
1080000880889
1130a23458996
12136081720a1
13770c382a57
143c2cd27d8d
1521335e4a94
hex12a06c90f9

80000880889 has 2 divisors, whose sum is σ = 80000880890. Its totient is φ = 80000880888.

The previous prime is 80000880881. The next prime is 80000880913. The reversal of 80000880889 is 98808800008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67751925264 + 12248955625 = 260292^2 + 110675^2 .

It is a cyclic number.

It is not a de Polignac number, because 80000880889 - 23 = 80000880881 is a prime.

It is not a weakly prime, because it can be changed into another prime (80000880881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40000440444 + 40000440445.

It is an arithmetic number, because the mean of its divisors is an integer number (40000440445).

Almost surely, 280000880889 is an apocalyptic number.

It is an amenable number.

80000880889 is a deficient number, since it is larger than the sum of its proper divisors (1).

80000880889 is an equidigital number, since it uses as much as digits as its factorization.

80000880889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294912, while the sum is 49.

The spelling of 80000880889 in words is "eighty billion, eight hundred eighty thousand, eight hundred eighty-nine".