Base | Representation |
---|---|
bin | 11100010110100111… |
… | …111100101100011010 |
3 | 2220120201101211001210 |
4 | 130112213330230122 |
5 | 444322222421132 |
6 | 21552543523550 |
7 | 2125303431462 |
oct | 342647745432 |
9 | 86521354053 |
10 | 30444342042 |
11 | 11a03045864 |
12 | 5a978b95b6 |
13 | 2b4246069a |
14 | 168b472ba2 |
15 | bd2b4abcc |
hex | 7169fcb1a |
30444342042 has 16 divisors (see below), whose sum is σ = 62988294240. Its totient is φ = 9798178992.
The previous prime is 30444342011. The next prime is 30444342059. The reversal of 30444342042 is 24024344403.
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, 87483568 + ... + 87483915.
It is an arithmetic number, because the mean of its divisors is an integer number (3936768390).
Almost surely, 230444342042 is an apocalyptic number.
30444342042 is an abundant number, since it is smaller than the sum of its proper divisors (32543952198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30444342042 is a wasteful number, since it uses less digits than its factorization.
30444342042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174967517.
The product of its (nonzero) digits is 36864, while the sum is 30.
Adding to 30444342042 its reverse (24024344403), we get a palindrome (54468686445).
The spelling of 30444342042 in words is "thirty billion, four hundred forty-four million, three hundred forty-two thousand, forty-two".
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