Base | Representation |
---|---|
bin | 1001001100110011100110… |
… | …10010010000100000101101 |
3 | 2122122002100012202011221211 |
4 | 10212121303102100200231 |
5 | 10122432024403131341 |
6 | 111010033202154421 |
7 | 4155441512503135 |
oct | 446316322204055 |
9 | 78562305664854 |
10 | 20231230130221 |
11 | 64a001aa88310 |
12 | 2328b46052a11 |
13 | b39a487ab7b6 |
14 | 4dd2a7cbbac5 |
15 | 2513d9e22181 |
hex | 12667349082d |
20231230130221 has 8 divisors (see below), whose sum is σ = 22083257081088. Its totient is φ = 18381340548000.
The previous prime is 20231230130197. The next prime is 20231230130227. The reversal of 20231230130221 is 12203103213202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20231230130221 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20231230130192 and 20231230130201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20231230130227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534322365 + ... + 534360226.
It is an arithmetic number, because the mean of its divisors is an integer number (2760407135136).
Almost surely, 220231230130221 is an apocalyptic number.
It is an amenable number.
20231230130221 is a deficient number, since it is larger than the sum of its proper divisors (1852026950867).
20231230130221 is a wasteful number, since it uses less digits than its factorization.
20231230130221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1068684323.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 20231230130221 its reverse (12203103213202), we get a palindrome (32434333343423).
The spelling of 20231230130221 in words is "twenty trillion, two hundred thirty-one billion, two hundred thirty million, one hundred thirty thousand, two hundred twenty-one".
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