Base | Representation |
---|---|
bin | 10001110101110111011000… |
… | …000100011101000111111100 |
3 | 101021211111121111110101111020 |
4 | 101311313120010131013330 |
5 | 40241111221414432043 |
6 | 434515513255424140 |
7 | 22346103445616364 |
oct | 2165673004350774 |
9 | 337744544411436 |
10 | 78468382577148 |
11 | 23003288331023 |
12 | 8973846685050 |
13 | 34a26c925a6a5 |
14 | 1553c661719a4 |
15 | 911221973e83 |
hex | 475dd811d1fc |
78468382577148 has 24 divisors (see below), whose sum is σ = 183093889636560. Its totient is φ = 26155985103360.
The previous prime is 78468382577141. The next prime is 78468382577201. The reversal of 78468382577148 is 84177528386487.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78468382577141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15495183 + ... + 19925798.
It is an arithmetic number, because the mean of its divisors is an integer number (7628912068190).
Almost surely, 278468382577148 is an apocalyptic number.
It is an amenable number.
78468382577148 is an abundant number, since it is smaller than the sum of its proper divisors (104625507059412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78468382577148 is a wasteful number, since it uses less digits than its factorization.
78468382577148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35605597 (or 35605595 counting only the distinct ones).
The product of its digits is 4046192640, while the sum is 78.
The spelling of 78468382577148 in words is "seventy-eight trillion, four hundred sixty-eight billion, three hundred eighty-two million, five hundred seventy-seven thousand, one hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •