Base | Representation |
---|---|
bin | 111111011111000… |
… | …1110011110001101 |
3 | 12111110102110212102 |
4 | 1332332032132031 |
5 | 13330320211141 |
6 | 551214244445 |
7 | 103534516250 |
oct | 17676163615 |
9 | 5443373772 |
10 | 2130241421 |
11 | 9a3513a00 |
12 | 4b54b6725 |
13 | 27c4489a9 |
14 | 162cbd097 |
15 | c703c99b |
hex | 7ef8e78d |
2130241421 has 24 divisors (see below), whose sum is σ = 2679671232. Its totient is φ = 1657656000.
The previous prime is 2130241417. The next prime is 2130241453. The reversal of 2130241421 is 1241420312.
It is not a de Polignac number, because 2130241421 - 22 = 2130241417 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2130241393 and 2130241402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130241481) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 889001 + ... + 891393.
It is an arithmetic number, because the mean of its divisors is an integer number (111652968).
Almost surely, 22130241421 is an apocalyptic number.
It is an amenable number.
2130241421 is a deficient number, since it is larger than the sum of its proper divisors (549429811).
2130241421 is a wasteful number, since it uses less digits than its factorization.
2130241421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3473 (or 3462 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 2130241421 is about 46154.5384658974. The cubic root of 2130241421 is about 1286.6969603312.
Adding to 2130241421 its reverse (1241420312), we get a palindrome (3371661733).
The spelling of 2130241421 in words is "two billion, one hundred thirty million, two hundred forty-one thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •