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13881936569888 = 257389184736151
BaseRepresentation
bin1100101000000010001111…
…1001011110011000100000
31211011002201000202021201202
43022000203321132120200
53304420201230214023
645305135034020332
72631636220635362
oct312004371363040
954132630667652
1013881936569888
114472329324152
1216824b45776a8
137990a403592a
1435dc643ccd32
1519117ae7b128
hexca023e5e620

13881936569888 has 96 divisors (see below), whose sum is σ = 28031676583680. Its totient is φ = 6765114470400.

The previous prime is 13881936569863. The next prime is 13881936569927. The reversal of 13881936569888 is 88896563918831.

It is a super-2 number, since 2×138819365698882 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383980613 + ... + 384016763.

It is an arithmetic number, because the mean of its divisors is an integer number (291996631080).

Almost surely, 213881936569888 is an apocalyptic number.

It is an amenable number.

13881936569888 is an abundant number, since it is smaller than the sum of its proper divisors (14149740013792).

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

13881936569888 is a wasteful number, since it uses less digits than its factorization.

13881936569888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38170 (or 38162 counting only the distinct ones).

The product of its digits is 4299816960, while the sum is 83.

The spelling of 13881936569888 in words is "thirteen trillion, eight hundred eighty-one billion, nine hundred thirty-six million, five hundred sixty-nine thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 32 73 89 146 178 292 356 584 712 1168 1424 1847 2336 2848 3694 6497 7388 12994 14776 25988 29552 36151 51976 59104 72302 103952 134831 144604 164383 207904 269662 289208 328766 539324 578416 657532 1078648 1156832 1315064 2157296 2630128 2639023 3217439 4314592 5260256 5278046 6434878 10556092 11999959 12869756 21112184 23999918 25739512 42224368 47999836 51479024 66770897 84448736 95999672 102958048 133541794 191999344 234873047 267083588 383998688 469746094 534167176 939492188 1068334352 1878984376 2136668704 3757968752 4874275481 5942609833 7515937504 9748550962 11885219666 19497101924 23770439332 38994203848 47540878664 77988407696 95081757328 155976815392 190163514656 433810517809 867621035618 1735242071236 3470484142472 6940968284944 13881936569888