Base | Representation |
---|---|
bin | 1001110001111101000… |
… | …1110000101010011000 |
3 | 121001201012012212220010 |
4 | 2130133101300222120 |
5 | 10223110242132013 |
6 | 205105145201520 |
7 | 15065621314653 |
oct | 2343721605230 |
9 | 531635185803 |
10 | 168028474008 |
11 | 6529576954a |
12 | 286944902a0 |
13 | 12aca66c265 |
14 | 81bdcb089a |
15 | 458670e7c3 |
hex | 271f470a98 |
168028474008 has 32 divisors (see below), whose sum is σ = 420102619200. Its totient is φ = 56005300128.
The previous prime is 168028473887. The next prime is 168028474013. The reversal of 168028474008 is 800474820861.
168028474008 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74263 + ... + 584441.
It is an arithmetic number, because the mean of its divisors is an integer number (13128206850).
Almost surely, 2168028474008 is an apocalyptic number.
It is an amenable number.
168028474008 is an abundant number, since it is smaller than the sum of its proper divisors (252074145192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168028474008 is a wasteful number, since it uses less digits than its factorization.
168028474008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 523911 (or 523907 counting only the distinct ones).
The product of its (nonzero) digits is 688128, while the sum is 48.
The spelling of 168028474008 in words is "one hundred sixty-eight billion, twenty-eight million, four hundred seventy-four thousand, eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •