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80444884444 = 2220111221111
BaseRepresentation
bin100101011101011100…
…0111000010111011100
321200122100020112201121
41022322320320113130
52304222342300234
6100542245020324
75545333143541
oct1127270702734
9250570215647
1080444884444
1131131049381
12137109b46a4
137780360252
143c71ca4bc8
15215c59b4b4
hex12bae385dc

80444884444 has 6 divisors (see below), whose sum is σ = 140778547784. Its totient is φ = 40222442220.

The previous prime is 80444884427. The next prime is 80444884501. The reversal of 80444884444 is 44448844408.

It is a junction number, because it is equal to n+sod(n) for n = 80444884391 and 80444884400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055610552 + ... + 10055610559.

Almost surely, 280444884444 is an apocalyptic number.

It is an amenable number.

80444884444 is a deficient number, since it is larger than the sum of its proper divisors (60333663340).

80444884444 is a wasteful number, since it uses less digits than its factorization.

80444884444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20111221115 (or 20111221113 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 52.

The spelling of 80444884444 in words is "eighty billion, four hundred forty-four million, eight hundred eighty-four thousand, four hundred forty-four".

Divisors: 1 2 4 20111221111 40222442222 80444884444