Base | Representation |
---|---|
bin | 101100000000010010… |
… | …101100000001001010 |
3 | 11111221220100021122100 |
4 | 230000102230001022 |
5 | 1233231340223041 |
6 | 33412305334230 |
7 | 3261613312305 |
oct | 540022540112 |
9 | 144856307570 |
10 | 47249539146 |
11 | 19047151107 |
12 | 91a7937376 |
13 | 45bcc991b4 |
14 | 2403323b3c |
15 | 13681936b6 |
hex | b004ac04a |
47249539146 has 24 divisors (see below), whose sum is σ = 103330772064. Its totient is φ = 15602650920.
The previous prime is 47249539123. The next prime is 47249539163. The reversal of 47249539146 is 64193594274.
47249539146 is a `hidden beast` number, since 4 + 7 + 2 + 495 + 3 + 9 + 146 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 47249539092 and 47249539101.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12264310 + ... + 12268161.
It is an arithmetic number, because the mean of its divisors is an integer number (4305448836).
Almost surely, 247249539146 is an apocalyptic number.
47249539146 is an abundant number, since it is smaller than the sum of its proper divisors (56081232918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47249539146 is a wasteful number, since it uses less digits than its factorization.
47249539146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24532586 (or 24532583 counting only the distinct ones).
The product of its digits is 6531840, while the sum is 54.
The spelling of 47249539146 in words is "forty-seven billion, two hundred forty-nine million, five hundred thirty-nine thousand, one hundred forty-six".
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