Base | Representation |
---|---|
bin | 101100001011101010… |
… | …000110110110100000 |
3 | 11112110012011021020000 |
4 | 230023222012312200 |
5 | 1234124144241434 |
6 | 33443240420000 |
7 | 3266420165610 |
oct | 541352066640 |
9 | 145405137200 |
10 | 47440227744 |
11 | 19134854298 |
12 | 923b777600 |
13 | 46206431a0 |
14 | 24207a0a40 |
15 | 1379cadb99 |
hex | b0ba86da0 |
47440227744 has 480 divisors, whose sum is σ = 181833797376. Its totient is φ = 11774730240.
The previous prime is 47440227739. The next prime is 47440227749. The reversal of 47440227744 is 44772204474.
It is an interprime number because it is at equal distance from previous prime (47440227739) and next prime (47440227749).
It is a self number, because there is not a number n which added to its sum of digits gives 47440227744.
It is not an unprimeable number, because it can be changed into a prime (47440227749) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4003909 + ... + 4015739.
Almost surely, 247440227744 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47440227744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90916898688).
47440227744 is an abundant number, since it is smaller than the sum of its proper divisors (134393569632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47440227744 is a wasteful number, since it uses less digits than its factorization.
47440227744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11890 (or 11873 counting only the distinct ones).
The product of its (nonzero) digits is 1404928, while the sum is 45.
The spelling of 47440227744 in words is "forty-seven billion, four hundred forty million, two hundred twenty-seven thousand, seven hundred forty-four".
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