Base | Representation |
---|---|
bin | 11100010101001110… |
… | …111110110101110110 |
3 | 2220112002111221021021 |
4 | 130111032332311312 |
5 | 444300240120042 |
6 | 21550352011354 |
7 | 2124601255321 |
oct | 342516766566 |
9 | 86462457237 |
10 | 30421020022 |
11 | 119a0966668 |
12 | 5a8bb30b5a |
13 | 2b3a686183 |
14 | 16883217b8 |
15 | bd0a90867 |
hex | 7153bed76 |
30421020022 has 8 divisors (see below), whose sum is σ = 48315737736. Its totient is φ = 14315774112.
The previous prime is 30421020013. The next prime is 30421020079. The reversal of 30421020022 is 22002012403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30421019978 and 30421020005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447367908 + ... + 447367975.
It is an arithmetic number, because the mean of its divisors is an integer number (6039467217).
Almost surely, 230421020022 is an apocalyptic number.
30421020022 is a deficient number, since it is larger than the sum of its proper divisors (17894717714).
30421020022 is a wasteful number, since it uses less digits than its factorization.
30421020022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 894735902.
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 30421020022 its reverse (22002012403), we get a palindrome (52423032425).
The spelling of 30421020022 in words is "thirty billion, four hundred twenty-one million, twenty thousand, twenty-two".
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