Base | Representation |
---|---|
bin | 11100001001011100… |
… | …000011101011100001 |
3 | 2220000022010122000100 |
4 | 130021130003223201 |
5 | 443344104333441 |
6 | 21515002213013 |
7 | 2116646201514 |
oct | 341134035341 |
9 | 86008118010 |
10 | 30223121121 |
11 | 118aa189256 |
12 | 5a357b4169 |
13 | 2b0868632b |
14 | 1669d28d7b |
15 | bbd4edcb6 |
hex | 709703ae1 |
30223121121 has 12 divisors (see below), whose sum is σ = 45063865600. Its totient is φ = 19498787640.
The previous prime is 30223121119. The next prime is 30223121129. The reversal of 30223121121 is 12112132203.
It is not a de Polignac number, because 30223121121 - 21 = 30223121119 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30223121094 and 30223121103.
It is not an unprimeable number, because it can be changed into a prime (30223121129) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54163021 + ... + 54163578.
Almost surely, 230223121121 is an apocalyptic number.
30223121121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
30223121121 is a deficient number, since it is larger than the sum of its proper divisors (14840744479).
30223121121 is a wasteful number, since it uses less digits than its factorization.
30223121121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108326636 (or 108326633 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 30223121121 its reverse (12112132203), we get a palindrome (42335253324).
The spelling of 30223121121 in words is "thirty billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred twenty-one".
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