Base | Representation |
---|---|
bin | 110010010100100000111110… |
… | …111001100010101100101101 |
3 | 1002000121020021212100221110202 |
4 | 302110200332321202230231 |
5 | 213001434220301200023 |
6 | 2102405220005243245 |
7 | 64421162616223151 |
oct | 6224407671425455 |
9 | 1060536255327422 |
10 | 221312130100013 |
11 | 64575a46934217 |
12 | 209a3934703525 |
13 | 966484b753a04 |
14 | 3c917c8433061 |
15 | 1a8bc82c19128 |
hex | c9483ee62b2d |
221312130100013 has 8 divisors (see below), whose sum is σ = 221961553968000. Its totient is φ = 220662793613808.
The previous prime is 221312130099997. The next prime is 221312130100067. The reversal of 221312130100013 is 310001031213122.
It is a happy number.
221312130100013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 221312130100013 - 24 = 221312130099997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221312138100013) 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, 16770881 + ... + 26905142.
It is an arithmetic number, because the mean of its divisors is an integer number (27745194246000).
Almost surely, 2221312130100013 is an apocalyptic number.
It is an amenable number.
221312130100013 is a deficient number, since it is larger than the sum of its proper divisors (649423867987).
221312130100013 is a wasteful number, since it uses less digits than its factorization.
221312130100013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43690891.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 221312130100013 its reverse (310001031213122), we get a palindrome (531313161313135).
The spelling of 221312130100013 in words is "two hundred twenty-one trillion, three hundred twelve billion, one hundred thirty million, one hundred thousand, thirteen".
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