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80284284005 = 516056856801
BaseRepresentation
bin100101011000101010…
…0001111010001100101
321200020011001012100012
41022301110033101211
52303410234042010
6100514310500005
75541343103642
oct1126124172145
9250204035305
1080284284005
1131059426942
1213687064605
137755cbc3c3
143c5881adc9
15214d426005
hex12b150f465

80284284005 has 4 divisors (see below), whose sum is σ = 96341140812. Its totient is φ = 64227427200.

The previous prime is 80284283971. The next prime is 80284284011. The reversal of 80284284005 is 50048248208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19247122756 + 61037161249 = 138734^2 + 247057^2 .

It is not a de Polignac number, because 80284284005 - 212 = 80284279909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8028428396 + ... + 8028428405.

It is an arithmetic number, because the mean of its divisors is an integer number (24085285203).

Almost surely, 280284284005 is an apocalyptic number.

It is an amenable number.

80284284005 is a deficient number, since it is larger than the sum of its proper divisors (16056856807).

80284284005 is a wasteful number, since it uses less digits than its factorization.

80284284005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16056856806.

The product of its (nonzero) digits is 163840, while the sum is 41.

The spelling of 80284284005 in words is "eighty billion, two hundred eighty-four million, two hundred eighty-four thousand, five".

Divisors: 1 5 16056856801 80284284005