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85433482880 = 275133489817
BaseRepresentation
bin100111110010000111…
…0110111111010000000
322011112000011121021122
41033210032313322000
52344431432423010
6103125252011412
76113056423364
oct1174416677200
9264460147248
1085433482880
1133260a791a9
1214683600b68
138096a29345
1441c66392a4
1523504ee855
hex13e43b7e80

85433482880 has 32 divisors (see below), whose sum is σ = 204239421540. Its totient is φ = 34173392896.

The previous prime is 85433482879. The next prime is 85433482909. The reversal of 85433482880 is 8828433458.

It can be written as a sum of positive squares in 2 ways, for example, as 80206771264 + 5226711616 = 283208^2 + 72296^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66744269 + ... + 66745548.

Almost surely, 285433482880 is an apocalyptic number.

85433482880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85433482880 is an abundant number, since it is smaller than the sum of its proper divisors (118805938660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85433482880 is a wasteful number, since it uses less digits than its factorization.

85433482880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133489836 (or 133489824 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 53.

The spelling of 85433482880 in words is "eighty-five billion, four hundred thirty-three million, four hundred eighty-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 133489817 266979634 533959268 667449085 1067918536 1334898170 2135837072 2669796340 4271674144 5339592680 8543348288 10679185360 17086696576 21358370720 42716741440 85433482880