Base | Representation |
---|---|
bin | 1101101111000001110110… |
… | …01101000101101001011101 |
3 | 10221221101202011120120020220 |
4 | 12313200323031011221131 |
5 | 12424322130021442341 |
6 | 144123054323231553 |
7 | 6235052351140002 |
oct | 667407315055135 |
9 | 127841664516226 |
10 | 30203203312221 |
11 | 9695119968125 |
12 | 34796bb8185b9 |
13 | 13b11c42b9734 |
14 | 765bb2a798a9 |
15 | 3759c45a2a66 |
hex | 1b783b345a5d |
30203203312221 has 8 divisors (see below), whose sum is σ = 40640395894560. Its totient is φ = 19950739802352.
The previous prime is 30203203312211. The next prime is 30203203312283. The reversal of 30203203312221 is 12221330230203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30203203312221 - 25 = 30203203312189 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30203203312191 and 30203203312200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30203203312201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46182267735 + ... + 46182268388.
It is an arithmetic number, because the mean of its divisors is an integer number (5080049486820).
Almost surely, 230203203312221 is an apocalyptic number.
It is an amenable number.
30203203312221 is a deficient number, since it is larger than the sum of its proper divisors (10437192582339).
30203203312221 is a wasteful number, since it uses less digits than its factorization.
30203203312221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92364536235.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 30203203312221 its reverse (12221330230203), we get a palindrome (42424533542424).
The spelling of 30203203312221 in words is "thirty trillion, two hundred three billion, two hundred three million, three hundred twelve thousand, two hundred twenty-one".
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