Base | Representation |
---|---|
bin | 101011111000110000… |
… | …111101011000010000 |
3 | 11111122002201110220012 |
4 | 223320300331120100 |
5 | 1233002023204343 |
6 | 33351554534052 |
7 | 3255521034323 |
oct | 537060753020 |
9 | 144562643805 |
10 | 47123256848 |
11 | 18a91939378 |
12 | 9171597328 |
13 | 459ca82945 |
14 | 23d06507ba |
15 | 135c04b718 |
hex | af8c3d610 |
47123256848 has 20 divisors (see below), whose sum is σ = 93528172668. Its totient is φ = 22986954240.
The previous prime is 47123256841. The next prime is 47123256857. The reversal of 47123256848 is 84865232174.
It can be written as a sum of positive squares in 2 ways, for example, as 15027817744 + 32095439104 = 122588^2 + 179152^2 .
It is a junction number, because it is equal to n+sod(n) for n = 47123256796 and 47123256805.
It is not an unprimeable number, because it can be changed into a prime (47123256841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35916461 + ... + 35917772.
Almost surely, 247123256848 is an apocalyptic number.
It is an amenable number.
47123256848 is a deficient number, since it is larger than the sum of its proper divisors (46404915820).
47123256848 is a wasteful number, since it uses less digits than its factorization.
47123256848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71834282 (or 71834276 counting only the distinct ones).
The product of its digits is 2580480, while the sum is 50.
The spelling of 47123256848 in words is "forty-seven billion, one hundred twenty-three million, two hundred fifty-six thousand, eight hundred forty-eight".
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