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6728686230 = 235742317573
BaseRepresentation
bin1100100010000111…
…11001101010010110
3122100221012200021010
412101003321222112
5102240020424410
63031403033050
7325512614010
oct62103715226
918327180233
106728686230
112943193612
12137950b786
13833040156
1447b8d31b0
15295ac4c20
hex1910f9a96

6728686230 has 64 divisors (see below), whose sum is σ = 18462624768. Its totient is φ = 1537418880.

The previous prime is 6728686219. The next prime is 6728686243. The reversal of 6728686230 is 326868276.

It is a happy number.

It is a super-2 number, since 2×67286862302 = 90550436763583225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6728686230.

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, 884724 + ... + 892296.

It is an arithmetic number, because the mean of its divisors is an integer number (288478512).

Almost surely, 26728686230 is an apocalyptic number.

6728686230 is an abundant number, since it is smaller than the sum of its proper divisors (11733938538).

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

6728686230 is a wasteful number, since it uses less digits than its factorization.

6728686230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11821.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 6728686230 is about 82028.5695962084. The cubic root of 6728686230 is about 1887.8903169532.

The spelling of 6728686230 in words is "six billion, seven hundred twenty-eight million, six hundred eighty-six thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 4231 7573 8462 12693 15146 21155 22719 25386 29617 37865 42310 45438 53011 59234 63465 75730 88851 106022 113595 126930 148085 159033 177702 227190 265055 296170 318066 444255 530110 795165 888510 1590330 32041363 64082726 96124089 160206815 192248178 224289541 320413630 448579082 480620445 672868623 961240890 1121447705 1345737246 2242895410 3364343115 6728686230