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80847440841 = 3412411327259
BaseRepresentation
bin100101101001011100…
…0100000101111001001
321201200101201112021210
41023102320200233021
52311033421101331
6101050225123333
75561321623416
oct1132270405711
9251611645253
1080847440841
11313182aaa12
1213803789549
1378158882bb
143cad53310d
152182ab7446
hex12d2e20bc9

80847440841 has 16 divisors (see below), whose sum is σ = 110434403520. Its totient is φ = 52579591680.

The previous prime is 80847440837. The next prime is 80847440857. The reversal of 80847440841 is 14804474808.

It is not a de Polignac number, because 80847440841 - 22 = 80847440837 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80847480841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2952270 + ... + 2979528.

It is an arithmetic number, because the mean of its divisors is an integer number (6902150220).

Almost surely, 280847440841 is an apocalyptic number.

It is an amenable number.

80847440841 is a deficient number, since it is larger than the sum of its proper divisors (29586962679).

80847440841 is a wasteful number, since it uses less digits than its factorization.

80847440841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51416.

The product of its (nonzero) digits is 917504, while the sum is 48.

The spelling of 80847440841 in words is "eighty billion, eight hundred forty-seven million, four hundred forty thousand, eight hundred forty-one".

Divisors: 1 3 41 123 24113 27259 72339 81777 988633 1117619 2965899 3352857 657296267 1971888801 26949146947 80847440841