Base | Representation |
---|---|
bin | 1101101001110010001110… |
… | …00010000011110100101001 |
3 | 10221022011122101221110010211 |
4 | 12310321013002003310221 |
5 | 12413344112324340241 |
6 | 143504214250141121 |
7 | 6216043152605323 |
oct | 664710702036451 |
9 | 127264571843124 |
10 | 30023013121321 |
11 | 9625763232790 |
12 | 344a7b24217a1 |
13 | 139a2091438bc |
14 | 75b19b8d2613 |
15 | 370e7a32b781 |
hex | 1b4e47083d29 |
30023013121321 has 4 divisors (see below), whose sum is σ = 32752377950544. Its totient is φ = 27293648292100.
The previous prime is 30023013121303. The next prime is 30023013121349. The reversal of 30023013121321 is 12312131032003.
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 30023013121321 - 29 = 30023013120809 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30023013121292 and 30023013121301.
It is not an unprimeable number, because it can be changed into a prime (30023013127321) 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, 1364682414595 + ... + 1364682414616.
It is an arithmetic number, because the mean of its divisors is an integer number (8188094487636).
Almost surely, 230023013121321 is an apocalyptic number.
It is an amenable number.
30023013121321 is a deficient number, since it is larger than the sum of its proper divisors (2729364829223).
30023013121321 is a wasteful number, since it uses less digits than its factorization.
30023013121321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2729364829222.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 30023013121321 its reverse (12312131032003), we get a palindrome (42335144153324).
The spelling of 30023013121321 in words is "thirty trillion, twenty-three billion, thirteen million, one hundred twenty-one thousand, three hundred twenty-one".
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