Base | Representation |
---|---|
bin | 101100001000101001… |
… | …000011000001000101 |
3 | 11112022122221001001010 |
4 | 230020221003001011 |
5 | 1234023220240440 |
6 | 33434231552433 |
7 | 3265234052214 |
oct | 541051030105 |
9 | 145278831033 |
10 | 47389618245 |
11 | 19109227662 |
12 | 922682b719 |
13 | 4613003538 |
14 | 2417b8907b |
15 | 1375613580 |
hex | b08a43045 |
47389618245 has 16 divisors (see below), whose sum is σ = 76955083200. Its totient is φ = 24897231744.
The previous prime is 47389618231. The next prime is 47389618247. The reversal of 47389618245 is 54281698374.
It is a happy number.
It is not a de Polignac number, because 47389618245 - 24 = 47389618229 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47389618247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23575920 + ... + 23577929.
It is an arithmetic number, because the mean of its divisors is an integer number (4809692700).
Almost surely, 247389618245 is an apocalyptic number.
It is an amenable number.
47389618245 is a deficient number, since it is larger than the sum of its proper divisors (29565464955).
47389618245 is a wasteful number, since it uses less digits than its factorization.
47389618245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47153924.
The product of its digits is 11612160, while the sum is 57.
The spelling of 47389618245 in words is "forty-seven billion, three hundred eighty-nine million, six hundred eighteen thousand, two hundred forty-five".
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