Base | Representation |
---|---|
bin | 11011111101010101… |
… | …101011101001010111 |
3 | 2212111011011021020200 |
4 | 123331111223221113 |
5 | 442440122420343 |
6 | 21442511231543 |
7 | 2111632560066 |
oct | 337525535127 |
9 | 85434137220 |
10 | 30020123223 |
11 | 118056389a2 |
12 | 59998185b3 |
13 | 2aa55bc62c |
14 | 164ada61dd |
15 | baa7a14d3 |
hex | 6fd56ba57 |
30020123223 has 6 divisors (see below), whose sum is σ = 43362400224. Its totient is φ = 20013415476.
The previous prime is 30020123209. The next prime is 30020123249. The reversal of 30020123223 is 32232102003.
It is a happy number.
30020123223 is a `hidden beast` number, since 300 + 20 + 123 + 223 = 666.
It is not a de Polignac number, because 30020123223 - 210 = 30020122199 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30020123196 and 30020123205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30020124223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1667784615 + ... + 1667784632.
It is an arithmetic number, because the mean of its divisors is an integer number (7227066704).
Almost surely, 230020123223 is an apocalyptic number.
30020123223 is a deficient number, since it is larger than the sum of its proper divisors (13342277001).
30020123223 is a wasteful number, since it uses less digits than its factorization.
30020123223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3335569253 (or 3335569250 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30020123223 its reverse (32232102003), we get a palindrome (62252225226).
The spelling of 30020123223 in words is "thirty billion, twenty million, one hundred twenty-three thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •