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82044484820 = 22519215906539
BaseRepresentation
bin100110001101000111…
…0110111110011010100
321211202211011122220222
41030122032313303110
52321011342003240
6101405110013512
75633065420514
oct1143216676324
9254684148828
1082044484820
1131881a77861
1213a98647298
13797688614c
143d844d3844
152202c1beb5
hex131a3b7cd4

82044484820 has 24 divisors (see below), whose sum is σ = 181361493600. Its totient is φ = 31090541472.

The previous prime is 82044484813. The next prime is 82044484829. The reversal of 82044484820 is 2848444028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82044484829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107952890 + ... + 107953649.

It is an arithmetic number, because the mean of its divisors is an integer number (7556728900).

Almost surely, 282044484820 is an apocalyptic number.

It is an amenable number.

82044484820 is an abundant number, since it is smaller than the sum of its proper divisors (99317008780).

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

82044484820 is a wasteful number, since it uses less digits than its factorization.

82044484820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215906567 (or 215906565 counting only the distinct ones).

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

The spelling of 82044484820 in words is "eighty-two billion, forty-four million, four hundred eighty-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 215906539 431813078 863626156 1079532695 2159065390 4102224241 4318130780 8204448482 16408896964 20511121205 41022242410 82044484820