Base | Representation |
---|---|
bin | 11100001111011001… |
… | …100100101001011101 |
3 | 2220021021022202112210 |
4 | 130033121210221131 |
5 | 444100210224041 |
6 | 21532533551033 |
7 | 2122302243426 |
oct | 341731445135 |
9 | 86237282483 |
10 | 30323133021 |
11 | 11950688715 |
12 | 5a631a5479 |
13 | 2b2330237c |
14 | 167932064d |
15 | bc71a7016 |
hex | 70f664a5d |
30323133021 has 8 divisors (see below), whose sum is σ = 41291074944. Its totient is φ = 19785306560.
The previous prime is 30323133017. The next prime is 30323133023. The reversal of 30323133021 is 12033132303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30323133021 - 22 = 30323133017 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30323133023) 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 7 ways as a sum of consecutive naturals, for example, 107528700 + ... + 107528981.
It is an arithmetic number, because the mean of its divisors is an integer number (5161384368).
Almost surely, 230323133021 is an apocalyptic number.
It is an amenable number.
30323133021 is a deficient number, since it is larger than the sum of its proper divisors (10967941923).
30323133021 is a wasteful number, since it uses less digits than its factorization.
30323133021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215057731.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30323133021 its reverse (12033132303), we get a palindrome (42356265324).
The spelling of 30323133021 in words is "thirty billion, three hundred twenty-three million, one hundred thirty-three thousand, twenty-one".
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