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82755650840 = 2354241487831
BaseRepresentation
bin100110100010010011…
…1110000010100011000
321220121101100122022012
41031010213300110120
52323440421311330
6102003432445052
75656522266032
oct1150447602430
9256541318265
1082755650840
1132107453375
1214056849788
137a5b004a45
144010b36c52
152245397c95
hex13449f0518

82755650840 has 32 divisors (see below), whose sum is σ = 186244500960. Its totient is φ = 33094387200.

The previous prime is 82755650827. The next prime is 82755650843. The reversal of 82755650840 is 4805655728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82755650843) 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, 74276 + ... + 413555.

It is an arithmetic number, because the mean of its divisors is an integer number (5820140655).

Almost surely, 282755650840 is an apocalyptic number.

It is an amenable number.

82755650840 is an abundant number, since it is smaller than the sum of its proper divisors (103488850120).

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

82755650840 is a wasteful number, since it uses less digits than its factorization.

82755650840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492083 (or 492079 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 50.

The spelling of 82755650840 in words is "eighty-two billion, seven hundred fifty-five million, six hundred fifty thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 4241 8482 16964 21205 33928 42410 84820 169640 487831 975662 1951324 2439155 3902648 4878310 9756620 19513240 2068891271 4137782542 8275565084 10344456355 16551130168 20688912710 41377825420 82755650840