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80300582981 is a prime number
BaseRepresentation
bin100101011001001001…
…0011010100001000101
321200021021201021022222
41022302102122201011
52303423422123411
6100520052102125
75541631456553
oct1126222324105
9250237637288
1080300582981
1131067649573
1213690604945
1377594a8078
143c5aa60bd3
15214ea954db
hex12b249a845

80300582981 has 2 divisors, whose sum is σ = 80300582982. Its totient is φ = 80300582980.

The previous prime is 80300582903. The next prime is 80300583037. The reversal of 80300582981 is 18928500308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45522062881 + 34778520100 = 213359^2 + 186490^2 .

It is a cyclic number.

It is not a de Polignac number, because 80300582981 - 210 = 80300581957 is a prime.

It is a super-2 number, since 2×803005829812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80300582381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40150291490 + 40150291491.

It is an arithmetic number, because the mean of its divisors is an integer number (40150291491).

Almost surely, 280300582981 is an apocalyptic number.

It is an amenable number.

80300582981 is a deficient number, since it is larger than the sum of its proper divisors (1).

80300582981 is an equidigital number, since it uses as much as digits as its factorization.

80300582981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 80300582981 in words is "eighty billion, three hundred million, five hundred eighty-two thousand, nine hundred eighty-one".