Base | Representation |
---|---|
bin | 11100010000101101… |
… | …100001011110011001 |
3 | 2220022210201211121120 |
4 | 130100231201132121 |
5 | 444121323440441 |
6 | 21535041355453 |
7 | 2122660302162 |
oct | 342055413631 |
9 | 86283654546 |
10 | 30345140121 |
11 | 119620499aa |
12 | 5a6a638b89 |
13 | 2b27a3921a |
14 | 167c20c769 |
15 | bc90a2966 |
hex | 710b61799 |
30345140121 has 8 divisors (see below), whose sum is σ = 40769043744. Its totient is φ = 20075664960.
The previous prime is 30345140117. The next prime is 30345140153. The reversal of 30345140121 is 12104154303.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30345140121 - 22 = 30345140117 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30345140091 and 30345140100.
It is not an unprimeable number, because it can be changed into a prime (30345140821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38606656 + ... + 38607441.
It is an arithmetic number, because the mean of its divisors is an integer number (5096130468).
Almost surely, 230345140121 is an apocalyptic number.
It is an amenable number.
30345140121 is a deficient number, since it is larger than the sum of its proper divisors (10423903623).
30345140121 is a wasteful number, since it uses less digits than its factorization.
30345140121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77214231.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 30345140121 its reverse (12104154303), we get a palindrome (42449294424).
The spelling of 30345140121 in words is "thirty billion, three hundred forty-five million, one hundred forty thousand, one hundred twenty-one".
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