Base | Representation |
---|---|
bin | 11100011010000001… |
… | …011100001010111111 |
3 | 2220201200200102211010 |
4 | 130122001130022333 |
5 | 444431321344343 |
6 | 22002341530303 |
7 | 2126565151542 |
oct | 343201341277 |
9 | 86650612733 |
10 | 30501356223 |
11 | 11a32247418 |
12 | 5ab2a13993 |
13 | 2b512035a0 |
14 | 1694c74859 |
15 | bd7b5dd33 |
hex | 71a05c2bf |
30501356223 has 16 divisors (see below), whose sum is σ = 44980519136. Its totient is φ = 18262765440.
The previous prime is 30501356173. The next prime is 30501356231. The reversal of 30501356223 is 32265310503.
It is not a de Polignac number, because 30501356223 - 26 = 30501356159 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 (30501356273) 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, 10567288 + ... + 10570173.
It is an arithmetic number, because the mean of its divisors is an integer number (2811282446).
Almost surely, 230501356223 is an apocalyptic number.
30501356223 is a deficient number, since it is larger than the sum of its proper divisors (14479162913).
30501356223 is a wasteful number, since it uses less digits than its factorization.
30501356223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21137514.
The product of its (nonzero) digits is 16200, while the sum is 30.
Adding to 30501356223 its reverse (32265310503), we get a palindrome (62766666726).
The spelling of 30501356223 in words is "thirty billion, five hundred one million, three hundred fifty-six thousand, two hundred twenty-three".
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