Base | Representation |
---|---|
bin | 1101101111110110001111… |
… | …10000111001001011001101 |
3 | 10222001002100110101000112211 |
4 | 12313323013300321023031 |
5 | 12430302231303443313 |
6 | 144144025404030421 |
7 | 6240066400165144 |
oct | 667730760711315 |
9 | 128032313330484 |
10 | 30231331312333 |
11 | 96a604343aa08 |
12 | 348304b832411 |
13 | 13b3a578a2898 |
14 | 7672c062875b |
15 | 3765bdb9ee3d |
hex | 1b7ec7c392cd |
30231331312333 has 4 divisors (see below), whose sum is σ = 30231365712768. Its totient is φ = 30231296911900.
The previous prime is 30231331312253. The next prime is 30231331312349. The reversal of 30231331312333 is 33321313313203.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30231331312333 - 221 = 30231329215181 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30231331312295 and 30231331312304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231331312033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15846493 + ... + 17651458.
It is an arithmetic number, because the mean of its divisors is an integer number (7557841428192).
Almost surely, 230231331312333 is an apocalyptic number.
It is an amenable number.
30231331312333 is a deficient number, since it is larger than the sum of its proper divisors (34400435).
30231331312333 is an equidigital number, since it uses as much as digits as its factorization.
30231331312333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34400434.
The product of its (nonzero) digits is 26244, while the sum is 31.
Adding to 30231331312333 its reverse (33321313313203), we get a palindrome (63552644625536).
The spelling of 30231331312333 in words is "thirty trillion, two hundred thirty-one billion, three hundred thirty-one million, three hundred twelve thousand, three hundred thirty-three".
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