Base | Representation |
---|---|
bin | 11011111110000111… |
… | …100110101010100111 |
3 | 2212112001210010221222 |
4 | 123332013212222213 |
5 | 443002000210043 |
6 | 21444055530555 |
7 | 2112152034035 |
oct | 337607465247 |
9 | 85461703858 |
10 | 30033210023 |
11 | 11811a67233 |
12 | 59a2089a5b |
13 | 2aa82221bb |
14 | 164ca11555 |
15 | bab9d8d68 |
hex | 6fe1e6aa7 |
30033210023 has 4 divisors (see below), whose sum is σ = 30844918440. Its totient is φ = 29221501608.
The previous prime is 30033210017. The next prime is 30033210041. The reversal of 30033210023 is 32001233003.
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 30033210023 - 212 = 30033205927 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30033209983 and 30033210010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30033210323) 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, 405854153 + ... + 405854226.
It is an arithmetic number, because the mean of its divisors is an integer number (7711229610).
Almost surely, 230033210023 is an apocalyptic number.
30033210023 is a deficient number, since it is larger than the sum of its proper divisors (811708417).
30033210023 is an equidigital number, since it uses as much as digits as its factorization.
30033210023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 811708416.
The product of its (nonzero) digits is 324, while the sum is 17.
Adding to 30033210023 its reverse (32001233003), we get a palindrome (62034443026).
The spelling of 30033210023 in words is "thirty billion, thirty-three million, two hundred ten thousand, twenty-three".
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