Base | Representation |
---|---|
bin | 11100000011011011… |
… | …011111110110111111 |
3 | 2212202021102221122222 |
4 | 130003123133312333 |
5 | 443142302423403 |
6 | 21501001355555 |
7 | 2114313263663 |
oct | 340333376677 |
9 | 85667387588 |
10 | 30122311103 |
11 | 11858294195 |
12 | 5a07a98bbb |
13 | 2ac081ac31 |
14 | 165a7a68a3 |
15 | bb4739338 |
hex | 7036dfdbf |
30122311103 has 4 divisors (see below), whose sum is σ = 30208621800. Its totient is φ = 30036000408.
The previous prime is 30122311099. The next prime is 30122311151. The reversal of 30122311103 is 30111322103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30111322103 = 3041 ⋅9901783.
It is a cyclic number.
It is not a de Polignac number, because 30122311103 - 22 = 30122311099 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30122310103) 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, 43154825 + ... + 43155522.
It is an arithmetic number, because the mean of its divisors is an integer number (7552155450).
Almost surely, 230122311103 is an apocalyptic number.
30122311103 is a deficient number, since it is larger than the sum of its proper divisors (86310697).
30122311103 is an equidigital number, since it uses as much as digits as its factorization.
30122311103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86310696.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 30122311103 its reverse (30111322103), we get a palindrome (60233633206).
The spelling of 30122311103 in words is "thirty billion, one hundred twenty-two million, three hundred eleven thousand, one hundred three".
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