Search a number
-
+
80844408884 = 22269222133829
BaseRepresentation
bin100101101001010110…
…0111100100000110100
321201200012000111020002
41023102230330200310
52311032132041014
6101050040130432
75561254065041
oct1132254744064
9251605014202
1080844408884
1131316619a68
1213802766a18
137815066245
143cacd841c8
1521826b8dde
hex12d2b3c834

80844408884 has 24 divisors (see below), whose sum is σ = 142071791400. Its totient is φ = 40252613760.

The previous prime is 80844408881. The next prime is 80844408893. The reversal of 80844408884 is 48880444808.

It can be written as a sum of positive squares in 4 ways, for example, as 8898148900 + 71946259984 = 94330^2 + 268228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80844408881) 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 7 ways as a sum of consecutive naturals, for example, 2372882 + ... + 2406710.

It is an arithmetic number, because the mean of its divisors is an integer number (5919657975).

Almost surely, 280844408884 is an apocalyptic number.

It is an amenable number.

80844408884 is a deficient number, since it is larger than the sum of its proper divisors (61227382516).

80844408884 is a wasteful number, since it uses less digits than its factorization.

80844408884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36323 (or 36321 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 56.

The spelling of 80844408884 in words is "eighty billion, eight hundred forty-four million, four hundred eight thousand, eight hundred eighty-four".

Divisors: 1 2 4 269 538 1076 2221 4442 8884 33829 67658 135316 597449 1194898 2389796 9100001 18200002 36400004 75134209 150268418 300536836 20211102221 40422204442 80844408884