Base | Representation |
---|---|
bin | 10001111011111000100111… |
… | …101110100000110101010000 |
3 | 101100022001022201002112110210 |
4 | 101323320213232200311100 |
5 | 40314400402140102424 |
6 | 435433523525124120 |
7 | 22421016245545203 |
oct | 2173704756406520 |
9 | 340261281075423 |
10 | 78882035862864 |
11 | 23152757881023 |
12 | 8a1ba4a259640 |
13 | 350270c402100 |
14 | 1569ca775793a |
15 | 91bd81d15729 |
hex | 47be27ba0d50 |
78882035862864 has 120 divisors (see below), whose sum is σ = 230253558275520. Its totient is φ = 23216117523456.
The previous prime is 78882035862859. The next prime is 78882035862911. The reversal of 78882035862864 is 46826853028887.
78882035862864 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
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, 211207269 + ... + 211580420.
It is an arithmetic number, because the mean of its divisors is an integer number (1918779652296).
Almost surely, 278882035862864 is an apocalyptic number.
It is an amenable number.
78882035862864 is an abundant number, since it is smaller than the sum of its proper divisors (151371522412656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78882035862864 is a wasteful number, since it uses less digits than its factorization.
78882035862864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 422787749 (or 422787730 counting only the distinct ones).
The product of its (nonzero) digits is 1981808640, while the sum is 75.
The spelling of 78882035862864 in words is "seventy-eight trillion, eight hundred eighty-two billion, thirty-five million, eight hundred sixty-two thousand, eight hundred sixty-four".
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