Base | Representation |
---|---|
bin | 11100001001111011… |
… | …010101100110101001 |
3 | 2220000212120020010121 |
4 | 130021323111212221 |
5 | 443403204233001 |
6 | 21515454043241 |
7 | 2120105663050 |
oct | 341173254651 |
9 | 86025506117 |
10 | 30231321001 |
11 | 11903879a12 |
12 | 5a384a9521 |
13 | 2b0a29772b |
14 | 166b061397 |
15 | bbe0bd6a1 |
hex | 709ed59a9 |
30231321001 has 8 divisors (see below), whose sum is σ = 34762046144. Its totient is φ = 25753587120.
The previous prime is 30231320969. The next prime is 30231321007. The reversal of 30231321001 is 10012313203.
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 30231321001 - 25 = 30231320969 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30231321007) 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, 13246590 + ... + 13248871.
It is an arithmetic number, because the mean of its divisors is an integer number (4345255768).
Almost surely, 230231321001 is an apocalyptic number.
It is an amenable number.
30231321001 is a deficient number, since it is larger than the sum of its proper divisors (4530725143).
30231321001 is a wasteful number, since it uses less digits than its factorization.
30231321001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26495631.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30231321001 its reverse (10012313203), we get a palindrome (40243634204).
The spelling of 30231321001 in words is "thirty billion, two hundred thirty-one million, three hundred twenty-one thousand, one".
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