Base | Representation |
---|---|
bin | 101011111110101010… |
… | …110100110010111010 |
3 | 11111220000010000012001 |
4 | 223332222310302322 |
5 | 1233202402441442 |
6 | 33405454011214 |
7 | 3261133013236 |
oct | 537652646272 |
9 | 144800100161 |
10 | 47222312122 |
11 | 19032845037 |
12 | 919a7a6b0a |
13 | 45b745542b |
14 | 23dd8775c6 |
15 | 1365ab62b7 |
hex | afeab4cba |
47222312122 has 32 divisors (see below), whose sum is σ = 77069845008. Its totient is φ = 21609686016.
The previous prime is 47222312107. The next prime is 47222312147. The reversal of 47222312122 is 22121322274.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 34570336761 + 12651975361 = 185931^2 + 112481^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2502828 + ... + 2521624.
Almost surely, 247222312122 is an apocalyptic number.
47222312122 is a deficient number, since it is larger than the sum of its proper divisors (29847532886).
47222312122 is a wasteful number, since it uses less digits than its factorization.
47222312122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20850.
The product of its digits is 5376, while the sum is 28.
Adding to 47222312122 its reverse (22121322274), we get a palindrome (69343634396).
The spelling of 47222312122 in words is "forty-seven billion, two hundred twenty-two million, three hundred twelve thousand, one hundred twenty-two".
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