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80444808404 = 2246477432713
BaseRepresentation
bin100101011101011100…
…0100101110011010100
321200122100002200102022
41022322320211303110
52304222332332104
6100542243232312
75545332406052
oct1127270456324
9250570080368
1080444808404
1131130aa7234
1213710978698
13778033475c
143c71c851d2
15215c583bbe
hex12bae25cd4

80444808404 has 12 divisors (see below), whose sum is σ = 140781769044. Its totient is φ = 40221445824.

The previous prime is 80444808403. The next prime is 80444808439. The reversal of 80444808404 is 40480844408.

It can be written as a sum of positive squares in 2 ways, for example, as 10086184900 + 70358623504 = 100430^2 + 265252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80444808403) by changing a digit.

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, 30449 + ... + 402264.

It is an arithmetic number, because the mean of its divisors is an integer number (11731814087).

Almost surely, 280444808404 is an apocalyptic number.

It is an amenable number.

80444808404 is a deficient number, since it is larger than the sum of its proper divisors (60336960640).

80444808404 is a wasteful number, since it uses less digits than its factorization.

80444808404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479194 (or 479192 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 80444808404 in words is "eighty billion, four hundred forty-four million, eight hundred eight thousand, four hundred four".

Divisors: 1 2 4 46477 92954 185908 432713 865426 1730852 20111202101 40222404202 80444808404