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2160198860 = 225591830677
BaseRepresentation
bin1000000011000010…
…0000010011001100
312120112210110202012
42000300200103030
513411002330420
6554204320352
7104350246601
oct20060402314
95515713665
102160198860
11a09415416
125035430b8
132857074a1
14166c7a6a8
15c99a8dc5
hex80c204cc

2160198860 has 24 divisors (see below), whose sum is σ = 4613308560. Its totient is φ = 849433664.

The previous prime is 2160198841. The next prime is 2160198877. The reversal of 2160198860 is 688910612.

It is a super-2 number, since 2×21601988602 = 9332918229490599200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914159 + ... + 916518.

It is an arithmetic number, because the mean of its divisors is an integer number (192221190).

Almost surely, 22160198860 is an apocalyptic number.

2160198860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2160198860 is an abundant number, since it is smaller than the sum of its proper divisors (2453109700).

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

2160198860 is a wasteful number, since it uses less digits than its factorization.

2160198860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830745 (or 1830743 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 2160198860 is about 46477.9394982179. The cubic root of 2160198860 is about 1292.7004823280.

The spelling of 2160198860 in words is "two billion, one hundred sixty million, one hundred ninety-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 1830677 3661354 7322708 9153385 18306770 36613540 108009943 216019886 432039772 540049715 1080099430 2160198860