Base | Representation |
---|---|
bin | 10011111000110101101111… |
… | …011001010011010000001110 |
3 | 102110200221110111021112111120 |
4 | 103320311233121103100032 |
5 | 42431042230214331403 |
6 | 510010351530301410 |
7 | 24265263222504324 |
oct | 2370655731232016 |
9 | 373627414245446 |
10 | 87468877886478 |
11 | 25963385292400 |
12 | 998807a287866 |
13 | 39a638391c40a |
14 | 178573294bd14 |
15 | a1a3ed88de53 |
hex | 4f8d6f65340e |
87468877886478 has 48 divisors (see below), whose sum is σ = 198917539385040. Its totient is φ = 25591730200960.
The previous prime is 87468877886431. The next prime is 87468877886513.
87468877886478 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2077229775 + ... + 2077271882.
It is an arithmetic number, because the mean of its divisors is an integer number (4144115403855).
Almost surely, 287468877886478 is an apocalyptic number.
87468877886478 is an abundant number, since it is smaller than the sum of its proper divisors (111448661498562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87468877886478 is a wasteful number, since it uses less digits than its factorization.
87468877886478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4154501713 (or 4154501702 counting only the distinct ones).
The product of its digits is 362538860544, while the sum is 96.
The spelling of 87468877886478 in words is "eighty-seven trillion, four hundred sixty-eight billion, eight hundred seventy-seven million, eight hundred eighty-six thousand, four hundred seventy-eight".
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