Base | Representation |
---|---|
bin | 11100010101110110… |
… | …001111000011011100 |
3 | 2220112210212201112012 |
4 | 130111312033003130 |
5 | 444310403410134 |
6 | 21551400330352 |
7 | 2125054603352 |
oct | 342566170334 |
9 | 86483781465 |
10 | 30431310044 |
11 | 119a6754713 |
12 | 5a934739b8 |
13 | 2b3c849a45 |
14 | 168983d7d2 |
15 | bd19246ce |
hex | 715d8f0dc |
30431310044 has 48 divisors (see below), whose sum is σ = 54572448000. Its totient is φ = 14843575296.
The previous prime is 30431310031. The next prime is 30431310059. The reversal of 30431310044 is 44001313403.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27097667 + ... + 27098789.
It is an arithmetic number, because the mean of its divisors is an integer number (1136926000).
Almost surely, 230431310044 is an apocalyptic number.
It is an amenable number.
30431310044 is a deficient number, since it is larger than the sum of its proper divisors (24141137956).
30431310044 is a wasteful number, since it uses less digits than its factorization.
30431310044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1962 (or 1960 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 30431310044 its reverse (44001313403), we get a palindrome (74432623447).
The spelling of 30431310044 in words is "thirty billion, four hundred thirty-one million, three hundred ten thousand, forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •