Base | Representation |
---|---|
bin | 101100100000010010… |
… | …001001100001100111 |
3 | 11120100022021222021111 |
4 | 230200102021201213 |
5 | 1240331241100100 |
6 | 33541441325451 |
7 | 3311121403600 |
oct | 544022114147 |
9 | 146308258244 |
10 | 47786268775 |
11 | 192a2115013 |
12 | 9317636887 |
13 | 46772413ab |
14 | 245471ada7 |
15 | 139a3646ba |
hex | b20489867 |
47786268775 has 36 divisors (see below), whose sum is σ = 68957061912. Its totient is φ = 32754509760.
The previous prime is 47786268743. The next prime is 47786268797. The reversal of 47786268775 is 57786268774.
It is not a de Polignac number, because 47786268775 - 25 = 47786268743 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 47786268775.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3770349 + ... + 3783001.
It is an arithmetic number, because the mean of its divisors is an integer number (1915473942).
Almost surely, 247786268775 is an apocalyptic number.
47786268775 is a deficient number, since it is larger than the sum of its proper divisors (21170793137).
47786268775 is a wasteful number, since it uses less digits than its factorization.
47786268775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15760 (or 15748 counting only the distinct ones).
The product of its digits is 221276160, while the sum is 67.
Subtracting 47786268775 from its reverse (57786268774), we obtain a palindrome (9999999999).
The spelling of 47786268775 in words is "forty-seven billion, seven hundred eighty-six million, two hundred sixty-eight thousand, seven hundred seventy-five".
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