Base | Representation |
---|---|
bin | 11100001111010101… |
… | …101110000101110011 |
3 | 2220021012102110020011 |
4 | 130033111232011303 |
5 | 444044430414443 |
6 | 21532500155351 |
7 | 2122260536215 |
oct | 341725560563 |
9 | 86235373204 |
10 | 30322123123 |
11 | 11950058996 |
12 | 5a62998b57 |
13 | 2b2303a7b6 |
14 | 167913a5b5 |
15 | bc7057b9d |
hex | 70f56e173 |
30322123123 has 4 divisors (see below), whose sum is σ = 31918024360. Its totient is φ = 28726221888.
The previous prime is 30322123103. The next prime is 30322123187. The reversal of 30322123123 is 32132122303.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30322123123 - 221 = 30320025971 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30322123094 and 30322123103.
It is not an unprimeable number, because it can be changed into a prime (30322123103) 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, 797950590 + ... + 797950627.
It is an arithmetic number, because the mean of its divisors is an integer number (7979506090).
Almost surely, 230322123123 is an apocalyptic number.
30322123123 is a deficient number, since it is larger than the sum of its proper divisors (1595901237).
30322123123 is a wasteful number, since it uses less digits than its factorization.
30322123123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1595901236.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 30322123123 its reverse (32132122303), we get a palindrome (62454245426).
The spelling of 30322123123 in words is "thirty billion, three hundred twenty-two million, one hundred twenty-three thousand, one hundred twenty-three".
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