Base | Representation |
---|---|
bin | 111011110011111011… |
… | …100100101001100101 |
3 | 20010202202001202110111 |
4 | 323303323210221211 |
5 | 2023011314202440 |
6 | 45300404453021 |
7 | 4432324116313 |
oct | 736373445145 |
9 | 203682052414 |
10 | 64222022245 |
11 | 25266725947 |
12 | 105439aa171 |
13 | 60963768c4 |
14 | 31734bd0b3 |
15 | 1a0d2324ea |
hex | ef3ee4a65 |
64222022245 has 8 divisors (see below), whose sum is σ = 77628956184. Its totient is φ = 51002598144.
The previous prime is 64222022233. The next prime is 64222022279. The reversal of 64222022245 is 54222022246.
It can be written as a sum of positive squares in 4 ways, for example, as 18850466209 + 45371556036 = 137297^2 + 213006^2 .
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 64222022245 - 211 = 64222020197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46876704 + ... + 46878073.
It is an arithmetic number, because the mean of its divisors is an integer number (9703619523).
Almost surely, 264222022245 is an apocalyptic number.
It is an amenable number.
64222022245 is a deficient number, since it is larger than the sum of its proper divisors (13406933939).
64222022245 is a wasteful number, since it uses less digits than its factorization.
64222022245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93754919.
The product of its (nonzero) digits is 30720, while the sum is 31.
Subtracting from 64222022245 its reverse (54222022246), we obtain a palindrome (9999999999).
The spelling of 64222022245 in words is "sixty-four billion, two hundred twenty-two million, twenty-two thousand, two hundred forty-five".
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