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80482404421 is a prime number
BaseRepresentation
bin100101011110100100…
…0000000100001000101
321200201221211202110101
41022331020000201011
52304311443420141
6100550105124101
75546300102326
oct1127510004105
9250657752411
1080482404421
1131150245721
1213721489631
137788069013
143c76c7044d
152160a0d531
hex12bd200845

80482404421 has 2 divisors, whose sum is σ = 80482404422. Its totient is φ = 80482404420.

The previous prime is 80482404271. The next prime is 80482404433. The reversal of 80482404421 is 12440428408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48272923521 + 32209480900 = 219711^2 + 179470^2 .

It is a cyclic number.

It is not a de Polignac number, because 80482404421 - 29 = 80482403909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80482404481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40241202210 + 40241202211.

It is an arithmetic number, because the mean of its divisors is an integer number (40241202211).

Almost surely, 280482404421 is an apocalyptic number.

It is an amenable number.

80482404421 is a deficient number, since it is larger than the sum of its proper divisors (1).

80482404421 is an equidigital number, since it uses as much as digits as its factorization.

80482404421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65536, while the sum is 37.

The spelling of 80482404421 in words is "eighty billion, four hundred eighty-two million, four hundred four thousand, four hundred twenty-one".