Base | Representation |
---|---|
bin | 101011111011111110… |
… | …011011100111100001 |
3 | 11111202212002000120002 |
4 | 223323332123213201 |
5 | 1233104320321400 |
6 | 33401201225345 |
7 | 3260043622364 |
oct | 537376334741 |
9 | 144685060502 |
10 | 47177120225 |
11 | 1900a288764 |
12 | 9187632255 |
13 | 45aac91671 |
14 | 23d78720db |
15 | 1361b3aed5 |
hex | afbf9b9e1 |
47177120225 has 6 divisors (see below), whose sum is σ = 58499629110. Its totient is φ = 37741696160.
The previous prime is 47177120183. The next prime is 47177120227. The reversal of 47177120225 is 52202177174.
It can be written as a sum of positive squares in 3 ways, for example, as 85082176 + 47092038049 = 9224^2 + 217007^2 .
It is not a de Polignac number, because 47177120225 - 218 = 47176858081 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47177120227) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 943542380 + ... + 943542429.
It is an arithmetic number, because the mean of its divisors is an integer number (9749938185).
Almost surely, 247177120225 is an apocalyptic number.
It is an amenable number.
47177120225 is a deficient number, since it is larger than the sum of its proper divisors (11322508885).
47177120225 is a wasteful number, since it uses less digits than its factorization.
47177120225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1887084819 (or 1887084814 counting only the distinct ones).
The product of its (nonzero) digits is 54880, while the sum is 38.
Adding to 47177120225 its reverse (52202177174), we get a palindrome (99379297399).
The spelling of 47177120225 in words is "forty-seven billion, one hundred seventy-seven million, one hundred twenty thousand, two hundred twenty-five".
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