Base | Representation |
---|---|
bin | 1100101001111110111111… |
… | …0110011000100100010000 |
3 | 1211021022010202112101122112 |
4 | 3022133233312120210100 |
5 | 3310442241302122033 |
6 | 45332353534124452 |
7 | 2634233104411664 |
oct | 312375766304420 |
9 | 54238122471575 |
10 | 13915423082768 |
11 | 4485552612989 |
12 | 1688a9b050728 |
13 | 79c2ac8244ac |
14 | 36171d8c48a4 |
15 | 191e8abeac48 |
hex | ca7efd98910 |
13915423082768 has 20 divisors (see below), whose sum is σ = 27208482063180. Its totient is φ = 6893879324544.
The previous prime is 13915423082767. The next prime is 13915423082809. The reversal of 13915423082768 is 86728032451931.
It can be written as a sum of positive squares in 2 ways, for example, as 3290639536144 + 10624783546624 = 1814012^2 + 3259568^2 .
It is not an unprimeable number, because it can be changed into a prime (13915423082767) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3989511755 + ... + 3989515242.
It is an arithmetic number, because the mean of its divisors is an integer number (1360424103159).
It is a 1-persistent number, because it is pandigital, but 2⋅13915423082768 = 27830846165536 is not.
Almost surely, 213915423082768 is an apocalyptic number.
It is an amenable number.
13915423082768 is a deficient number, since it is larger than the sum of its proper divisors (13293058980412).
13915423082768 is a wasteful number, since it uses less digits than its factorization.
13915423082768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7979027114 (or 7979027108 counting only the distinct ones).
The product of its (nonzero) digits is 17418240, while the sum is 59.
The spelling of 13915423082768 in words is "thirteen trillion, nine hundred fifteen billion, four hundred twenty-three million, eighty-two thousand, seven hundred sixty-eight".
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