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9489495660 = 22351982110139
BaseRepresentation
bin10001101011001111…
…00011011001101100
3220111100011022211020
420311213203121230
5123413302330120
64205344454140
7454105245051
oct106547433154
926440138736
109489495660
11402a6335a7
121a0a01a350
13b82cc80b8
14660435028
153a816c640
hex2359e366c

9489495660 has 96 divisors (see below), whose sum is σ = 28005868800. Its totient is φ = 2394190080.

The previous prime is 9489495647. The next prime is 9489495671. The reversal of 9489495660 is 665949849.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 9489495594 and 9489495603.

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, 930871 + ... + 941009.

It is an arithmetic number, because the mean of its divisors is an integer number (291727800).

Almost surely, 29489495660 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 9489495660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14002934400).

9489495660 is an abundant number, since it is smaller than the sum of its proper divisors (18516373140).

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

9489495660 is a wasteful number, since it uses less digits than its factorization.

9489495660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10991 (or 10989 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 60.

The square root of 9489495660 is about 97414.0424168918. The cubic root of 9489495660 is about 2117.1308984312.

The spelling of 9489495660 in words is "nine billion, four hundred eighty-nine million, four hundred ninety-five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 821 1140 1642 2463 3284 4105 4926 8210 9852 10139 12315 15599 16420 20278 24630 30417 31198 40556 46797 49260 50695 60834 62396 77995 93594 101390 121668 152085 155990 187188 192641 202780 233985 304170 311980 385282 467970 577923 608340 770564 935940 963205 1155846 1926410 2311692 2889615 3852820 5779230 8324119 11558460 16648238 24972357 33296476 41620595 49944714 83241190 99889428 124861785 158158261 166482380 249723570 316316522 474474783 499447140 632633044 790791305 948949566 1581582610 1897899132 2372373915 3163165220 4744747830 9489495660