Base | Representation |
---|---|
bin | 10011110001011010… |
… | …011100010100110010 |
3 | 2000210120012022221110 |
4 | 103301122130110302 |
5 | 321434402010002 |
6 | 13430350534150 |
7 | 1351046646303 |
oct | 236132342462 |
9 | 60716168843 |
10 | 21230110002 |
11 | 9004930962 |
12 | 4145b07356 |
13 | 20044b218a |
14 | 10558127aa |
15 | 843c52e6c |
hex | 4f169c532 |
21230110002 has 8 divisors (see below), whose sum is σ = 42460220016. Its totient is φ = 7076703332.
The previous prime is 21230109997. The next prime is 21230110087. The reversal of 21230110002 is 20001103212.
It is a sphenic number, since it is the product of 3 distinct primes.
21230110002 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 21230110002.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1769175828 + ... + 1769175839.
It is an arithmetic number, because the mean of its divisors is an integer number (5307527502).
Almost surely, 221230110002 is an apocalyptic number.
21230110002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21230110002 is a wasteful number, since it uses less digits than its factorization.
21230110002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3538351672.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 21230110002 its reverse (20001103212), we get a palindrome (41231213214).
The spelling of 21230110002 in words is "twenty-one billion, two hundred thirty million, one hundred ten thousand, two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •