Base | Representation |
---|---|
bin | 11100001000110110… |
… | …101010110110111011 |
3 | 2212222121200200120102 |
4 | 130020312222312323 |
5 | 443334102220443 |
6 | 21514012150015 |
7 | 2116466661260 |
oct | 341066526673 |
9 | 85877620512 |
10 | 30213320123 |
11 | 118a46a4658 |
12 | 5a3246830b |
13 | 2b0663421c |
14 | 16688d7267 |
15 | bbc714cb8 |
hex | 708daadbb |
30213320123 has 8 divisors (see below), whose sum is σ = 34917481440. Its totient is φ = 25606152000.
The previous prime is 30213320101. The next prime is 30213320143. The reversal of 30213320123 is 32102331203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30213320123 - 226 = 30146211259 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30213320095 and 30213320104.
It is not an unprimeable number, because it can be changed into a prime (30213320143) 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, 24247628 + ... + 24248873.
It is an arithmetic number, because the mean of its divisors is an integer number (4364685180).
Almost surely, 230213320123 is an apocalyptic number.
30213320123 is a deficient number, since it is larger than the sum of its proper divisors (4704161317).
30213320123 is an equidigital number, since it uses as much as digits as its factorization.
30213320123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48496597.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30213320123 its reverse (32102331203), we get a palindrome (62315651326).
The spelling of 30213320123 in words is "thirty billion, two hundred thirteen million, three hundred twenty thousand, one hundred twenty-three".
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