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193842998791080 = 23358369172813669
BaseRepresentation
bin101100000100110010010111…
…000101011100101110101000
3221102100012122212121201200120
4230010302113011130232220
5200401410430142303310
61524134124433403240
755554460133456262
oct5404622705345650
9842305585551616
10193842998791080
1156845399382981
12198a80a4109520
138421416042682
1435c20a06d0b32
15176247ba6eb70
hexb04c9715cba8

193842998791080 has 128 divisors (see below), whose sum is σ = 588620664374400. Its totient is φ = 51061276378112.

The previous prime is 193842998791003. The next prime is 193842998791133. The reversal of 193842998791080 is 80197899248391.

It is a junction number, because it is equal to n+sod(n) for n = 193842998790987 and 193842998791005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67486486 + ... + 70300154.

It is an arithmetic number, because the mean of its divisors is an integer number (4598598940425).

Almost surely, 2193842998791080 is an apocalyptic number.

193842998791080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193842998791080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294310332187200).

193842998791080 is an abundant number, since it is smaller than the sum of its proper divisors (394777665583320).

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

193842998791080 is a wasteful number, since it uses less digits than its factorization.

193842998791080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820683 (or 2820679 counting only the distinct ones).

The product of its (nonzero) digits is 564350976, while the sum is 78.

The spelling of 193842998791080 in words is "one hundred ninety-three trillion, eight hundred forty-two billion, nine hundred ninety-eight million, seven hundred ninety-one thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 83 120 166 249 332 415 498 664 830 996 1245 1660 1992 2490 3320 4980 6917 9960 13834 20751 27668 34585 41502 55336 69170 83004 103755 138340 166008 207510 276680 415020 574111 830040 1148222 1722333 2296444 2813669 2870555 3444666 4592888 5627338 5741110 6889332 8441007 8611665 11254676 11482220 13778664 14068345 16882014 17223330 22509352 22964440 28136690 33764028 34446660 42205035 56273380 67528056 68893320 84410070 112546760 168820140 233534527 337640280 467069054 700603581 934138108 1167672635 1401207162 1868276216 2335345270 2802414324 3503017905 4670690540 5604828648 7006035810 9341381080 14012071620 19462148473 28024143240 38924296946 58386445419 77848593892 97310742365 116772890838 155697187784 194621484730 233545781676 291932227095 389242969460 467091563352 583864454190 778485938920 1167728908380 1615358323259 2335457816760 3230716646518 4846074969777 6461433293036 8076791616295 9692149939554 12922866586072 16153583232590 19384299879108 24230374848885 32307166465180 38768599758216 48460749697770 64614332930360 96921499395540 193842998791080