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19983799982196 = 2232821676133441
BaseRepresentation
bin1001000101100110101110…
…10011001001100001110100
32121202102200101021100000100
410202303113103021201310
510104403310243412241
6110300233031314100
74131532123111161
oct442632723114164
977672611240010
1019983799982196
11640509a127976
1222a8bb221b930
13b1c605c6839b
144d1314901068
15249c57a309b6
hex122cd74c9874

19983799982196 has 36 divisors (see below), whose sum is σ = 50576133728484. Its totient is φ = 6653153049600.

The previous prime is 19983799982173. The next prime is 19983799982203. The reversal of 19983799982196 is 69128999738991.

19983799982196 is a `hidden beast` number, since 19 + 9 + 8 + 379 + 9 + 9 + 8 + 219 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11658059072100 + 8325740910096 = 3414390^2 + 2885436^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×199837999821964 (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338037165 + ... + 338096276.

It is an arithmetic number, because the mean of its divisors is an integer number (1404892603569).

Almost surely, 219983799982196 is an apocalyptic number.

It is an amenable number.

19983799982196 is an abundant number, since it is smaller than the sum of its proper divisors (30592333746288).

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

19983799982196 is a wasteful number, since it uses less digits than its factorization.

19983799982196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676134272 (or 676134267 counting only the distinct ones).

The product of its digits is 8571080448, while the sum is 90.

The spelling of 19983799982196 in words is "nineteen trillion, nine hundred eighty-three billion, seven hundred ninety-nine million, nine hundred eighty-two thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 821 1642 2463 3284 4926 7389 9852 14778 29556 676133441 1352266882 2028400323 2704533764 4056800646 6085200969 8113601292 12170401938 24340803876 555105555061 1110211110122 1665316665183 2220422220244 3330633330366 4995949995549 6661266660732 9991899991098 19983799982196