Base | Representation |
---|---|
bin | 111100101100001110… |
… | …1110100100001110101 |
3 | 110110102010222010220220 |
4 | 1321120131310201311 |
5 | 4113410301344341 |
6 | 135512501244553 |
7 | 12262531120644 |
oct | 1713035644165 |
9 | 413363863826 |
10 | 130333231221 |
11 | 50301790736 |
12 | 21314403759 |
13 | c3a0c3927b |
14 | 644584d35b |
15 | 35cc238a66 |
hex | 1e58774875 |
130333231221 has 8 divisors (see below), whose sum is σ = 181333191360. Its totient is φ = 83111045952.
The previous prime is 130333231207. The next prime is 130333231243. The reversal of 130333231221 is 122132333031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130333231221 - 213 = 130333223029 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130333231191 and 130333231200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130333231261) 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, 944443636 + ... + 944443773.
It is an arithmetic number, because the mean of its divisors is an integer number (22666648920).
Almost surely, 2130333231221 is an apocalyptic number.
It is an amenable number.
130333231221 is a deficient number, since it is larger than the sum of its proper divisors (50999960139).
130333231221 is a wasteful number, since it uses less digits than its factorization.
130333231221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1888887435.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 130333231221 its reverse (122132333031), we get a palindrome (252465564252).
The spelling of 130333231221 in words is "one hundred thirty billion, three hundred thirty-three million, two hundred thirty-one thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •