Base | Representation |
---|---|
bin | 1101110010001110100110… |
… | …10110010000000001000101 |
3 | 10222022220111011002120201221 |
4 | 12321013103112100001011 |
5 | 12433122242242030341 |
6 | 144245354254320341 |
7 | 6246023422636030 |
oct | 671072326200105 |
9 | 128286434076657 |
10 | 30313130033221 |
11 | 97277a9707682 |
12 | 3496a79ab90b1 |
13 | 13bb69256a489 |
14 | 76b240226017 |
15 | 3787aa022ed1 |
hex | 1b91d3590045 |
30313130033221 has 8 divisors (see below), whose sum is σ = 34643616297984. Its totient is φ = 25982653547760.
The previous prime is 30313130033167. The next prime is 30313130033239. The reversal of 30313130033221 is 12233003131303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-30313130033221 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 (30313130033281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6267036 + ... + 9995098.
It is an arithmetic number, because the mean of its divisors is an integer number (4330452037248).
Almost surely, 230313130033221 is an apocalyptic number.
It is an amenable number.
30313130033221 is a deficient number, since it is larger than the sum of its proper divisors (4330486264763).
30313130033221 is a wasteful number, since it uses less digits than its factorization.
30313130033221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4889651.
The product of its (nonzero) digits is 2916, while the sum is 25.
Adding to 30313130033221 its reverse (12233003131303), we get a palindrome (42546133164524).
The spelling of 30313130033221 in words is "thirty trillion, three hundred thirteen billion, one hundred thirty million, thirty-three thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •