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2808058600830 = 2357113989117307
BaseRepresentation
bin101000110111001101010…
…101011101110101111110
3100221110002102122221002010
4220313031111131311332
5332001401000211310
65550000533112050
7406606211166120
oct50671525356576
910843072587063
102808058600830
1199298896866a
12394279188626
13174a4cc30cb2
1499ca71b5210
154d09d9e3320
hex28dcd55dd7e

2808058600830 has 64 divisors (see below), whose sum is σ = 7702236817920. Its totient is φ = 641830863744.

The previous prime is 2808058600829. The next prime is 2808058600871. The reversal of 2808058600830 is 380068508082.

It is a self number, because there is not a number n which added to its sum of digits gives 2808058600830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23879037 + ... + 23996343.

It is an arithmetic number, because the mean of its divisors is an integer number (120347450280).

Almost surely, 22808058600830 is an apocalyptic number.

2808058600830 is an abundant number, since it is smaller than the sum of its proper divisors (4894178217090).

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

2808058600830 is a wasteful number, since it uses less digits than its factorization.

2808058600830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231313.

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 2808058600830 in words is "two trillion, eight hundred eight billion, fifty-eight million, six hundred thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 113989 117307 227978 234614 341967 351921 569945 586535 683934 703842 797923 821149 1139890 1173070 1595846 1642298 1709835 1759605 2393769 2463447 3419670 3519210 3989615 4105745 4787538 4926894 7979230 8211490 11968845 12317235 23937690 24634470 13371707623 26743415246 40115122869 66858538115 80230245738 93601953361 133717076230 187203906722 200575614345 280805860083 401151228690 468009766805 561611720166 936019533610 1404029300415 2808058600830