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2685085184260 = 225216289620717
BaseRepresentation
bin100111000100101011100…
…011000111000100000100
3100111200200012111002212001
4213010223203013010010
5322443023301344020
65413302222035044
7364663625326543
oct47045343070404
910450605432761
102685085184260
1194581364a686
12374479718a84
13166282a0c24b
1493d5cdc615a
1549ca299a50a
hex2712b8c7104

2685085184260 has 24 divisors (see below), whose sum is σ = 5638714041240. Its totient is φ = 1074027377664.

The previous prime is 2685085184239. The next prime is 2685085184303. The reversal of 2685085184260 is 624815805862.

It can be written as a sum of positive squares in 4 ways, for example, as 573597199044 + 2111487985216 = 757362^2 + 1453096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4015422 + ... + 4636138.

It is an arithmetic number, because the mean of its divisors is an integer number (234946418385).

Almost surely, 22685085184260 is an apocalyptic number.

2685085184260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2685085184260 is an abundant number, since it is smaller than the sum of its proper divisors (2953628856980).

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

2685085184260 is a wasteful number, since it uses less digits than its factorization.

2685085184260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837015 (or 837013 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 2685085184260 in words is "two trillion, six hundred eighty-five billion, eighty-five million, one hundred eighty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 216289 432578 620717 865156 1081445 1241434 2162890 2482868 3103585 4325780 6207170 12414340 134254259213 268508518426 537017036852 671271296065 1342542592130 2685085184260