Base | Representation |
---|---|
bin | 1100101000000010001111… |
… | …1001011110011000100000 |
3 | 1211011002201000202021201202 |
4 | 3022000203321132120200 |
5 | 3304420201230214023 |
6 | 45305135034020332 |
7 | 2631636220635362 |
oct | 312004371363040 |
9 | 54132630667652 |
10 | 13881936569888 |
11 | 4472329324152 |
12 | 16824b45776a8 |
13 | 7990a403592a |
14 | 35dc643ccd32 |
15 | 19117ae7b128 |
hex | ca023e5e620 |
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".
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