Base | Representation |
---|---|
bin | 11011111110000000… |
… | …010100100110011110 |
3 | 2212111221012011022020 |
4 | 123332000110212132 |
5 | 443001003113042 |
6 | 21443551001010 |
7 | 2112126563322 |
oct | 337600244636 |
9 | 85457164266 |
10 | 30031301022 |
11 | 11810982a48 |
12 | 59a1509166 |
13 | 2aa7a04308 |
14 | 164c675982 |
15 | bab75d3ec |
hex | 6fe01499e |
30031301022 has 8 divisors (see below), whose sum is σ = 60062602056. Its totient is φ = 10010433672.
The previous prime is 30031301021. The next prime is 30031301033. The reversal of 30031301022 is 22010313003.
It is a sphenic number, since it is the product of 3 distinct primes.
30031301022 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 30031300992 and 30031301010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30031301021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502608413 + ... + 2502608424.
It is an arithmetic number, because the mean of its divisors is an integer number (7507825257).
Almost surely, 230031301022 is an apocalyptic number.
30031301022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30031301022 is a wasteful number, since it uses less digits than its factorization.
30031301022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5005216842.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 30031301022 its reverse (22010313003), we get a palindrome (52041614025).
The spelling of 30031301022 in words is "thirty billion, thirty-one million, three hundred one thousand, twenty-two".
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