Base | Representation |
---|---|
bin | 10101101000100111… |
… | …011101110000000101 |
3 | 2012221221100220022102 |
4 | 111220213131300011 |
5 | 340033340344141 |
6 | 14401031441445 |
7 | 1451442563510 |
oct | 255047356005 |
9 | 65857326272 |
10 | 23230012421 |
11 | 9940811180 |
12 | 4603826285 |
13 | 2262923ca5 |
14 | 11a5283d77 |
15 | 90e5e699b |
hex | 5689ddc05 |
23230012421 has 16 divisors (see below), whose sum is σ = 29635634688. Its totient is φ = 17680345200.
The previous prime is 23230012417. The next prime is 23230012441. The reversal of 23230012421 is 12421003232.
It is not a de Polignac number, because 23230012421 - 22 = 23230012417 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23230012393 and 23230012402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23230012441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3504695 + ... + 3511316.
It is an arithmetic number, because the mean of its divisors is an integer number (1852227168).
Almost surely, 223230012421 is an apocalyptic number.
It is an amenable number.
23230012421 is a deficient number, since it is larger than the sum of its proper divisors (6405622267).
23230012421 is a wasteful number, since it uses less digits than its factorization.
23230012421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7016072.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 23230012421 its reverse (12421003232), we get a palindrome (35651015653).
The spelling of 23230012421 in words is "twenty-three billion, two hundred thirty million, twelve thousand, four hundred twenty-one".
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