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80841283987 is a prime number
BaseRepresentation
bin100101101001010000…
…1000001100110010011
321201122222010201200011
41023102201001212103
52311030332041422
6101045445135351
75561215401412
oct1132241014623
9251588121604
1080841283987
1131314885202
12138016ba557
137814510aa9
143cac7ad479
15218229d077
hex12d2841993

80841283987 has 2 divisors, whose sum is σ = 80841283988. Its totient is φ = 80841283986.

The previous prime is 80841283951. The next prime is 80841284059. The reversal of 80841283987 is 78938214808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80841283987 - 223 = 80832895379 is a prime.

It is not a weakly prime, because it can be changed into another prime (80841280987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40420641993 + 40420641994.

It is an arithmetic number, because the mean of its divisors is an integer number (40420641994).

Almost surely, 280841283987 is an apocalyptic number.

80841283987 is a deficient number, since it is larger than the sum of its proper divisors (1).

80841283987 is an equidigital number, since it uses as much as digits as its factorization.

80841283987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 58.

The spelling of 80841283987 in words is "eighty billion, eight hundred forty-one million, two hundred eighty-three thousand, nine hundred eighty-seven".