Base | Representation |
---|---|
bin | 10010110101110100… |
… | …000110011011110001 |
3 | 1221012212200210120021 |
4 | 102311310012123301 |
5 | 312412412444441 |
6 | 13143231243441 |
7 | 1314215614012 |
oct | 226564063361 |
9 | 57185623507 |
10 | 20230203121 |
11 | 8641471037 |
12 | 3b07079581 |
13 | 1ba52a84bb |
14 | d9cacb009 |
15 | 7d608e3d1 |
hex | 4b5d066f1 |
20230203121 has 8 divisors (see below), whose sum is σ = 20483727264. Its totient is φ = 19976912160.
The previous prime is 20230203083. The next prime is 20230203131. The reversal of 20230203121 is 12130203202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20230203121 - 29 = 20230202609 is a prime.
It is a super-2 number, since 2×202302031212 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20230203095 and 20230203104.
It is not an unprimeable number, because it can be changed into a prime (20230203131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119685 + ... + 234061.
It is an arithmetic number, because the mean of its divisors is an integer number (2560465908).
Almost surely, 220230203121 is an apocalyptic number.
It is an amenable number.
20230203121 is a deficient number, since it is larger than the sum of its proper divisors (253524143).
20230203121 is a wasteful number, since it uses less digits than its factorization.
20230203121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116591.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20230203121 its reverse (12130203202), we get a palindrome (32360406323).
The spelling of 20230203121 in words is "twenty billion, two hundred thirty million, two hundred three thousand, one hundred twenty-one".
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