Base | Representation |
---|---|
bin | 10100101100011111… |
… | …010100001011111010 |
3 | 2010100122012002222211 |
4 | 110230133110023322 |
5 | 331002114240010 |
6 | 14112554205334 |
7 | 1414443310252 |
oct | 245437241372 |
9 | 63318162884 |
10 | 22221243130 |
11 | 9473348949 |
12 | 4381a2384a |
13 | 2131936498 |
14 | 110b2d2962 |
15 | 8a0c8208a |
hex | 52c7d42fa |
22221243130 has 8 divisors (see below), whose sum is σ = 39998237652. Its totient is φ = 8888497248.
The previous prime is 22221243113. The next prime is 22221243137. The reversal of 22221243130 is 3134212222.
It can be written as a sum of positive squares in 2 ways, for example, as 21099596049 + 1121647081 = 145257^2 + 33491^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (22221243137) 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 3 ways as a sum of consecutive naturals, for example, 1111062147 + ... + 1111062166.
Almost surely, 222221243130 is an apocalyptic number.
22221243130 is a deficient number, since it is larger than the sum of its proper divisors (17776994522).
22221243130 is a wasteful number, since it uses less digits than its factorization.
22221243130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2222124320.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 22221243130 its reverse (3134212222), we get a palindrome (25355455352).
The spelling of 22221243130 in words is "twenty-two billion, two hundred twenty-one million, two hundred forty-three thousand, one hundred thirty".
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