Base | Representation |
---|---|
bin | 11100001110001110… |
… | …000101010111111011 |
3 | 2220012220002101021122 |
4 | 130032032011113323 |
5 | 444030124002443 |
6 | 21530545455455 |
7 | 2121642114023 |
oct | 341616052773 |
9 | 86186071248 |
10 | 30303344123 |
11 | 119404a1a58 |
12 | 5a5864158b |
13 | 2b1c194070 |
14 | 167684ca83 |
15 | bc5598968 |
hex | 70e3855fb |
30303344123 has 16 divisors (see below), whose sum is σ = 34134670080. Its totient is φ = 26692162464.
The previous prime is 30303344117. The next prime is 30303344221. The reversal of 30303344123 is 32144330303.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30303344123 - 210 = 30303343099 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30303344092 and 30303344101.
It is not an unprimeable number, because it can be changed into a prime (30303344623) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4340 + ... + 246222.
It is an arithmetic number, because the mean of its divisors is an integer number (2133416880).
Almost surely, 230303344123 is an apocalyptic number.
30303344123 is a deficient number, since it is larger than the sum of its proper divisors (3831325957).
30303344123 is a wasteful number, since it uses less digits than its factorization.
30303344123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242338.
The product of its (nonzero) digits is 7776, while the sum is 26.
Adding to 30303344123 its reverse (32144330303), we get a palindrome (62447674426).
The spelling of 30303344123 in words is "thirty billion, three hundred three million, three hundred forty-four thousand, one hundred twenty-three".
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