Base | Representation |
---|---|
bin | 11100010110011000… |
… | …101110110111011010 |
3 | 2220120102220011110110 |
4 | 130112120232313122 |
5 | 444320212300432 |
6 | 21552322225150 |
7 | 2125224506355 |
oct | 342630566732 |
9 | 86512804413 |
10 | 30440353242 |
11 | 11a00870a32 |
12 | 5a964b51b6 |
13 | 2b41694c50 |
14 | 168ab1529c |
15 | bd260ddcc |
hex | 71662edda |
30440353242 has 32 divisors (see below), whose sum is σ = 65700794880. Its totient is φ = 9346697280.
The previous prime is 30440353109. The next prime is 30440353253. The reversal of 30440353242 is 24235304403.
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, 370009 + ... + 444732.
It is an arithmetic number, because the mean of its divisors is an integer number (2053149840).
Almost surely, 230440353242 is an apocalyptic number.
30440353242 is an abundant number, since it is smaller than the sum of its proper divisors (35260441638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30440353242 is a wasteful number, since it uses less digits than its factorization.
30440353242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 815238.
The product of its (nonzero) digits is 34560, while the sum is 30.
Adding to 30440353242 its reverse (24235304403), we get a palindrome (54675657645).
The spelling of 30440353242 in words is "thirty billion, four hundred forty million, three hundred fifty-three thousand, two hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •