Base | Representation |
---|---|
bin | 11010000101000000… |
… | …101001011010011010 |
3 | 2200021110110121120121 |
4 | 122011000221122122 |
5 | 424321320440010 |
6 | 20510313543454 |
7 | 2010620326615 |
oct | 320500513232 |
9 | 80243417517 |
10 | 28001343130 |
11 | 1096a0345a2 |
12 | 5515714b8a |
13 | 284329b1b7 |
14 | 14d8c1d17c |
15 | add42e3da |
hex | 68502969a |
28001343130 has 16 divisors (see below), whose sum is σ = 50405564160. Its totient is φ = 11199838032.
The previous prime is 28001343101. The next prime is 28001343151. The reversal of 28001343130 is 3134310082.
It is a junction number, because it is equal to n+sod(n) for n = 28001343095 and 28001343104.
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, 99907 + ... + 256873.
It is an arithmetic number, because the mean of its divisors is an integer number (3150347760).
Almost surely, 228001343130 is an apocalyptic number.
28001343130 is a deficient number, since it is larger than the sum of its proper divisors (22404221030).
28001343130 is a wasteful number, since it uses less digits than its factorization.
28001343130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174813.
The product of its (nonzero) digits is 1728, while the sum is 25.
The spelling of 28001343130 in words is "twenty-eight billion, one million, three hundred forty-three thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •