Base | Representation |
---|---|
bin | 1111010100000110… |
… | …01011101010100101 |
3 | 210012222112010001021 |
4 | 13222003023222211 |
5 | 113314221420203 |
6 | 3435454531141 |
7 | 410512020352 |
oct | 75203135245 |
9 | 23188463037 |
10 | 8221670053 |
11 | 3539a11443 |
12 | 1715506ab1 |
13 | a10446a2c |
14 | 57dccb629 |
15 | 331bd55bd |
hex | 1ea0cbaa5 |
8221670053 has 4 divisors (see below), whose sum is σ = 8486885248. Its totient is φ = 7956454860.
The previous prime is 8221669919. The next prime is 8221670057. The reversal of 8221670053 is 3500761228.
It is a happy number.
8221670053 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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 not a de Polignac number, because 8221670053 - 221 = 8219572901 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 (8221670057) by changing a digit.
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, 132607551 + ... + 132607612.
It is an arithmetic number, because the mean of its divisors is an integer number (2121721312).
Almost surely, 28221670053 is an apocalyptic number.
It is an amenable number.
8221670053 is a deficient number, since it is larger than the sum of its proper divisors (265215195).
8221670053 is a wasteful number, since it uses less digits than its factorization.
8221670053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265215194.
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 8221670053 is about 90673.4252854716. The cubic root of 8221670053 is about 2018.3044665869.
The spelling of 8221670053 in words is "eight billion, two hundred twenty-one million, six hundred seventy thousand, fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •