Base | Representation |
---|---|
bin | 11000110101000100… |
… | …11010010100101101 |
3 | 1021101222222202222201 |
4 | 30122202122110231 |
5 | 204300003131341 |
6 | 10042422541501 |
7 | 651222144262 |
oct | 143242322455 |
9 | 37358882881 |
10 | 13330130221 |
11 | 5720569151 |
12 | 2700297891 |
13 | 13458bbb25 |
14 | 906543269 |
15 | 530413331 |
hex | 31a89a52d |
13330130221 has 4 divisors (see below), whose sum is σ = 13397116000. Its totient is φ = 13263144444.
The previous prime is 13330130183. The next prime is 13330130239. The reversal of 13330130221 is 12203103331.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13330130221 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 (13330130521) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33492591 + ... + 33492988.
It is an arithmetic number, because the mean of its divisors is an integer number (3349279000).
Almost surely, 213330130221 is an apocalyptic number.
It is an amenable number.
13330130221 is a deficient number, since it is larger than the sum of its proper divisors (66985779).
13330130221 is an equidigital number, since it uses as much as digits as its factorization.
13330130221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66985778.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 13330130221 its reverse (12203103331), we get a palindrome (25533233552).
The spelling of 13330130221 in words is "thirteen billion, three hundred thirty million, one hundred thirty thousand, two hundred twenty-one".
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