Base | Representation |
---|---|
bin | 1101101001001101010101… |
… | …01100011010010010111001 |
3 | 10221020021112022111111011011 |
4 | 12310212222230122102321 |
5 | 12413033033321100241 |
6 | 143451141243433521 |
7 | 6214442343635563 |
oct | 664465254322271 |
9 | 127207468444134 |
10 | 30003210331321 |
11 | 9618321060537 |
12 | 34469a65258a1 |
13 | 13983a1587396 |
14 | 75a23d8a4333 |
15 | 3706bba68281 |
hex | 1b49aab1a4b9 |
30003210331321 has 4 divisors (see below), whose sum is σ = 30099067233652. Its totient is φ = 29907353428992.
The previous prime is 30003210331243. The next prime is 30003210331333. The reversal of 30003210331321 is 12313301230003.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 14979338199225 + 15023872132096 = 3870315^2 + 3876064^2 .
It is a cyclic number.
It is not a de Polignac number, because 30003210331321 - 211 = 30003210329273 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30003210331292 and 30003210331301.
It is not an unprimeable number, because it can be changed into a prime (30003210331121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47928450696 + ... + 47928451321.
It is an arithmetic number, because the mean of its divisors is an integer number (7524766808413).
Almost surely, 230003210331321 is an apocalyptic number.
It is an amenable number.
30003210331321 is a deficient number, since it is larger than the sum of its proper divisors (95856902331).
30003210331321 is an equidigital number, since it uses as much as digits as its factorization.
30003210331321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95856902330.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 30003210331321 its reverse (12313301230003), we get a palindrome (42316511561324).
The spelling of 30003210331321 in words is "thirty trillion, three billion, two hundred ten million, three hundred thirty-one thousand, three hundred twenty-one".
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