Base | Representation |
---|---|
bin | 11100001111010001… |
… | …011100101011010110 |
3 | 2220021010022120000100 |
4 | 130033101130223112 |
5 | 444044134100342 |
6 | 21532420154530 |
7 | 2122245163206 |
oct | 341721345326 |
9 | 86233276010 |
10 | 30321003222 |
11 | 1194a463554 |
12 | 5a62538a46 |
13 | 2b22a37b33 |
14 | 1678d28406 |
15 | bc6dd5e4c |
hex | 70f45cad6 |
30321003222 has 24 divisors (see below), whose sum is σ = 65698790976. Its totient is φ = 10106495856.
The previous prime is 30321003217. The next prime is 30321003227. The reversal of 30321003222 is 22230012303.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30321003217) and next prime (30321003227).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30321003195 and 30321003204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30321003227) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 563163 + ... + 614649.
It is an arithmetic number, because the mean of its divisors is an integer number (2737449624).
Almost surely, 230321003222 is an apocalyptic number.
30321003222 is an abundant number, since it is smaller than the sum of its proper divisors (35377787754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30321003222 is a wasteful number, since it uses less digits than its factorization.
30321003222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84212 (or 84209 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30321003222 its reverse (22230012303), we get a palindrome (52551015525).
The spelling of 30321003222 in words is "thirty billion, three hundred twenty-one million, three thousand, two hundred twenty-two".
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