Base | Representation |
---|---|
bin | 1000010001110010… |
… | …1110010010011101 |
3 | 12201212022111112001 |
4 | 2010130232102131 |
5 | 14022330402031 |
6 | 1004255442301 |
7 | 106031504131 |
oct | 20434562235 |
9 | 5655274461 |
10 | 2222122141 |
11 | a4036a288 |
12 | 520226391 |
13 | 2954a8995 |
14 | 1711993c1 |
15 | d013b861 |
hex | 8472e49d |
2222122141 has 8 divisors (see below), whose sum is σ = 2276991864. Its totient is φ = 2167284480.
The previous prime is 2222122127. The next prime is 2222122159. The reversal of 2222122141 is 1412212222.
It can be written as a sum of positive squares in 4 ways, for example, as 282072025 + 1940050116 = 16795^2 + 44046^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2222122141 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 (2222122121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194401 + ... + 205513.
It is an arithmetic number, because the mean of its divisors is an integer number (284623983).
Almost surely, 22222122141 is an apocalyptic number.
It is an amenable number.
2222122141 is a deficient number, since it is larger than the sum of its proper divisors (54869723).
2222122141 is a wasteful number, since it uses less digits than its factorization.
2222122141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16031.
The product of its digits is 256, while the sum is 19.
The square root of 2222122141 is about 47139.3905454875. The cubic root of 2222122141 is about 1304.9362898586.
Adding to 2222122141 its reverse (1412212222), we get a palindrome (3634334363).
The spelling of 2222122141 in words is "two billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred forty-one".
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