Base | Representation |
---|---|
bin | 11010011110101111… |
… | …111010100111000100 |
3 | 2201101120000102110120 |
4 | 122132233322213010 |
5 | 431212342232430 |
6 | 21021221221540 |
7 | 2024412625011 |
oct | 323657724704 |
9 | 81346012416 |
10 | 28433164740 |
11 | 11070864562 |
12 | 56162618b0 |
13 | 28b18a1946 |
14 | 153a308708 |
15 | b162cb610 |
hex | 69ebfa9c4 |
28433164740 has 48 divisors (see below), whose sum is σ = 79674745920. Its totient is φ = 7576283520.
The previous prime is 28433164733. The next prime is 28433164769. The reversal of 28433164740 is 4746133482.
It is a super-4 number, since 4×284331647404 (a number of 43 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28433164692 and 28433164701.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106075 + ... + 260994.
It is an arithmetic number, because the mean of its divisors is an integer number (1659890540).
Almost surely, 228433164740 is an apocalyptic number.
28433164740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28433164740 is an abundant number, since it is smaller than the sum of its proper divisors (51241581180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28433164740 is a wasteful number, since it uses less digits than its factorization.
28433164740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 368372 (or 368370 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 42.
The spelling of 28433164740 in words is "twenty-eight billion, four hundred thirty-three million, one hundred sixty-four thousand, seven hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •