Base | Representation |
---|---|
bin | 11100001001110111… |
… | …100001010010101111 |
3 | 2220000210200101102201 |
4 | 130021313201102233 |
5 | 443402430222203 |
6 | 21515420402331 |
7 | 2120064324421 |
oct | 341167412257 |
9 | 86023611381 |
10 | 30230320303 |
11 | 11903256097 |
12 | 5a380a63a7 |
13 | 2b0a0070c1 |
14 | 166ac80811 |
15 | bbde71e1d |
hex | 709de14af |
30230320303 has 4 divisors (see below), whose sum is σ = 30251127208. Its totient is φ = 30209513400.
The previous prime is 30230320249. The next prime is 30230320333. The reversal of 30230320303 is 30302303203.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30302303203 = 29 ⋅1044907007.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30230320303 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 (30230320333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10401273 + ... + 10404178.
It is an arithmetic number, because the mean of its divisors is an integer number (7562781802).
Almost surely, 230230320303 is an apocalyptic number.
30230320303 is a deficient number, since it is larger than the sum of its proper divisors (20806905).
30230320303 is a wasteful number, since it uses less digits than its factorization.
30230320303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20806904.
The product of its (nonzero) digits is 972, while the sum is 19.
Adding to 30230320303 its reverse (30302303203), we get a palindrome (60532623506).
The spelling of 30230320303 in words is "thirty billion, two hundred thirty million, three hundred twenty thousand, three hundred three".
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