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8866009006860 = 22351721134113661
BaseRepresentation
bin1000000100000100011101…
…0100010100001100001100
31011101120201102010010100210
42001001013110110030030
52130230041301204420
630504553250322420
71603355653056345
oct201010724241414
934346642103323
108866009006860
112909064a47865
12bb2360589410
134c40a41cb275
1422918d56d0cc
1510595a2c19e0
hex8104751430c

8866009006860 has 96 divisors (see below), whose sum is σ = 26297555159232. Its totient is φ = 2224140779520.

The previous prime is 8866009006837. The next prime is 8866009006861. The reversal of 8866009006860 is 686009006688.

It is a super-2 number, since 2×88660090068602 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8866009006860.

It is not an unprimeable number, because it can be changed into a prime (8866009006861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98430 + ... + 4212090.

It is an arithmetic number, because the mean of its divisors is an integer number (273932866242).

Almost surely, 28866009006860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8866009006860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13148777579616).

8866009006860 is an abundant number, since it is smaller than the sum of its proper divisors (17431546152372).

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

8866009006860 is a wasteful number, since it uses less digits than its factorization.

8866009006860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115803 (or 4115801 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 8866009006860 in words is "eight trillion, eight hundred sixty-six billion, nine million, six thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 2113 4226 6339 8452 10565 12678 21130 25356 31695 35921 42260 63390 71842 107763 126780 143684 179605 215526 359210 431052 538815 718420 1077630 2155260 4113661 8227322 12340983 16454644 20568305 24681966 41136610 49363932 61704915 69932237 82273220 123409830 139864474 209796711 246819660 279728948 349661185 419593422 699322370 839186844 1048983555 1398644740 2097967110 4195934220 8692165693 17384331386 26076497079 34768662772 43460828465 52152994158 86921656930 104305988316 130382485395 147766816781 173843313860 260764970790 295533633562 443300450343 521529941580 591067267124 738834083905 886600900686 1477668167810 1773201801372 2216502251715 2955336335620 4433004503430 8866009006860