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19816411680192 = 263611691975041
BaseRepresentation
bin1001000000101110111100…
…01011011100110111000000
32121011102121210122120000110
410200113132023130313000
510044133002342231232
6110051311151151320
74113455104034661
oct440273613346700
977142553576013
1019816411680192
1163501028650a6
122280678215540
13b098ab11b93a
144c7195a73368
1524570c626acc
hex1205de2dcdc0

19816411680192 has 56 divisors (see below), whose sum is σ = 53290445922832. Its totient is φ = 6497184153600.

The previous prime is 19816411680187. The next prime is 19816411680193. The reversal of 19816411680192 is 29108611461891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19816411680193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845975809 + ... + 845999232.

Almost surely, 219816411680192 is an apocalyptic number.

19816411680192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19816411680192 is an abundant number, since it is smaller than the sum of its proper divisors (33474034242640).

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

19816411680192 is a wasteful number, since it uses less digits than its factorization.

19816411680192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691975117 (or 1691975107 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 57.

The spelling of 19816411680192 in words is "nineteen trillion, eight hundred sixteen billion, four hundred eleven million, six hundred eighty thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 61 64 96 122 183 192 244 366 488 732 976 1464 1952 2928 3904 5856 11712 1691975041 3383950082 5075925123 6767900164 10151850246 13535800328 20303700492 27071600656 40607400984 54143201312 81214801968 103210477501 108286402624 162429603936 206420955002 309631432503 324859207872 412841910004 619262865006 825683820008 1238525730012 1651367640016 2477051460024 3302735280032 4954102920048 6605470560064 9908205840096 19816411680192