Base | Representation |
---|---|
bin | 10011000001110011… |
… | …101011111101110101 |
3 | 1221201220022202000110 |
4 | 103001303223331311 |
5 | 313320420440201 |
6 | 13215220133233 |
7 | 1322211133644 |
oct | 230163537565 |
9 | 57656282013 |
10 | 20431421301 |
11 | 8735006255 |
12 | 3b62537219 |
13 | 1c07b9b105 |
14 | dbb70935b |
15 | 7e8a896d6 |
hex | 4c1cebf75 |
20431421301 has 8 divisors (see below), whose sum is σ = 28181270880. Its totient is φ = 13151259632.
The previous prime is 20431421281. The next prime is 20431421303. The reversal of 20431421301 is 10312413402.
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 20431421301 - 27 = 20431421173 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20431421303) 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, 117421875 + ... + 117422048.
It is an arithmetic number, because the mean of its divisors is an integer number (3522658860).
Almost surely, 220431421301 is an apocalyptic number.
It is an amenable number.
20431421301 is a deficient number, since it is larger than the sum of its proper divisors (7749849579).
20431421301 is a wasteful number, since it uses less digits than its factorization.
20431421301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 234843955.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 20431421301 its reverse (10312413402), we get a palindrome (30743834703).
The spelling of 20431421301 in words is "twenty billion, four hundred thirty-one million, four hundred twenty-one thousand, three hundred one".
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