Base | Representation |
---|---|
bin | 10011000001101111… |
… | …001100010110000001 |
3 | 1221201211002212222010 |
4 | 103001233030112001 |
5 | 313320120240301 |
6 | 13215135003133 |
7 | 1322165126154 |
oct | 230157142601 |
9 | 57654085863 |
10 | 20430243201 |
11 | 8734381115 |
12 | 3b620694a9 |
13 | 1c07877b04 |
14 | dbb4bdc9b |
15 | 7e89055d6 |
hex | 4c1bcc581 |
20430243201 has 8 divisors (see below), whose sum is σ = 27646896544. Its totient is φ = 13416876000.
The previous prime is 20430243191. The next prime is 20430243209. The reversal of 20430243201 is 10234203402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20430243201 - 26 = 20430243137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20430243209) 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, 50821300 + ... + 50821701.
It is an arithmetic number, because the mean of its divisors is an integer number (3455862068).
Almost surely, 220430243201 is an apocalyptic number.
It is an amenable number.
20430243201 is a deficient number, since it is larger than the sum of its proper divisors (7216653343).
20430243201 is a wasteful number, since it uses less digits than its factorization.
20430243201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101643071.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 20430243201 its reverse (10234203402), we get a palindrome (30664446603).
The spelling of 20430243201 in words is "twenty billion, four hundred thirty million, two hundred forty-three thousand, two hundred one".
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