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13890291805575 = 3252274147034789
BaseRepresentation
bin1100101000100001010111…
…1010001010110110000111
31211011220021022121020101100
43022020111322022312013
53310034304200234300
645313040103431143
72632353244160163
oct312102572126607
954156238536340
1013890291805575
114475926672409
1216840467554b3
13799b06046083
14360417d27ca3
151914b9746700
hexca215e8ad87

13890291805575 has 72 divisors (see below), whose sum is σ = 24898622636160. Its totient is φ = 7402332268800.

The previous prime is 13890291805553. The next prime is 13890291805619. The reversal of 13890291805575 is 57550819209831.

13890291805575 is a `hidden beast` number, since 1 + 38 + 9 + 0 + 29 + 1 + 8 + 0 + 5 + 575 = 666.

It is not a de Polignac number, because 13890291805575 - 225 = 13890258251143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2900455281 + ... + 2900460069.

It is an arithmetic number, because the mean of its divisors is an integer number (345814203280).

Almost surely, 213890291805575 is an apocalyptic number.

13890291805575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13890291805575 is a deficient number, since it is larger than the sum of its proper divisors (11008330830585).

13890291805575 is a wasteful number, since it uses less digits than its factorization.

13890291805575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12249 (or 12241 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 63.

The spelling of 13890291805575 in words is "thirteen trillion, eight hundred ninety billion, two hundred ninety-one million, eight hundred five thousand, five hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 75 225 2741 4703 4789 8223 13705 14109 14367 23515 23945 24669 41115 42327 43101 68525 70545 71835 117575 119725 123345 205575 211635 215505 352725 359175 616725 1058175 1077525 12890923 13126649 22522667 38672769 39379947 64454615 65633245 67568001 112613335 116018307 118139841 193363845 196899735 202704003 322273075 328166225 337840005 563066675 580091535 590699205 966819225 984498675 1013520015 1689200025 2900457675 2953496025 5067600075 61734630247 185203890741 308673151235 555611672223 926019453705 1543365756175 2778058361115 4630097268525 13890291805575