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2680002655785 = 3257135312348251
BaseRepresentation
bin100110111111111100100…
…110110011011000101001
3100111012112222210220111200
4212333330212303120221
5322402121134441120
65411102021514413
7364423651465350
oct46777446633051
910435488726450
102680002655785
119436456a4824
1237349b572a09
13165952a46450
14939d9da0997
1549aa6690e90
hex26ffc9b3629

2680002655785 has 96 divisors (see below), whose sum is σ = 5825213791488. Its totient is φ = 1109564352000.

The previous prime is 2680002655769. The next prime is 2680002655831. The reversal of 2680002655785 is 5875562000862.

2680002655785 is a `hidden beast` number, since 2 + 6 + 8 + 0 + 0 + 0 + 2 + 6 + 557 + 85 = 666.

It is not a de Polignac number, because 2680002655785 - 24 = 2680002655769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5957091 + ... + 6391160.

It is an arithmetic number, because the mean of its divisors is an integer number (60679310328).

Almost surely, 22680002655785 is an apocalyptic number.

It is an amenable number.

2680002655785 is an abundant number, since it is smaller than the sum of its proper divisors (3145211135703).

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

2680002655785 is a wasteful number, since it uses less digits than its factorization.

2680002655785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12348335 (or 12348332 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 2680002655785 in words is "two trillion, six hundred eighty billion, two million, six hundred fifty-five thousand, seven hundred eighty-five".

Divisors: 1 3 5 7 9 13 15 21 35 39 45 53 63 65 91 105 117 159 195 265 273 315 371 455 477 585 689 795 819 1113 1365 1855 2067 2385 3339 3445 4095 4823 5565 6201 10335 14469 16695 24115 31005 43407 72345 217035 12348251 37044753 61741255 86437757 111134259 160527263 185223765 259313271 432188785 481581789 555671295 654457303 777939813 802636315 1123690841 1296566355 1444745367 1963371909 2407908945 3272286515 3371072523 3889699065 4581201121 5618454205 5890115727 7223726835 8507944939 9816859545 10113217569 13743603363 16855362615 22906005605 25523834817 29450578635 41230810089 42539724695 50566087845 59555614573 68718016815 76571504451 127619174085 178666843719 206154050445 297778072865 382857522255 536000531157 893334218595 2680002655785