Base | Representation |
---|---|
bin | 101011111110110110… |
… | …000001111111111111 |
3 | 11111220012122020220121 |
4 | 223332312001333333 |
5 | 1233204130443131 |
6 | 33410040555411 |
7 | 3261166666666 |
oct | 537666017777 |
9 | 144805566817 |
10 | 47225249791 |
11 | 19034471165 |
12 | 919b782b67 |
13 | 45b7c435b5 |
14 | 23dddddddd |
15 | 1365e96911 |
hex | afed81fff |
47225249791 has 2 divisors, whose sum is σ = 47225249792. Its totient is φ = 47225249790.
The previous prime is 47225249783. The next prime is 47225249837. The reversal of 47225249791 is 19794252274.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 47225249791 - 23 = 47225249783 is a prime.
It is a plaindrome in base 14.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47225249711) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23612624895 + 23612624896.
It is an arithmetic number, because the mean of its divisors is an integer number (23612624896).
Almost surely, 247225249791 is an apocalyptic number.
47225249791 is a deficient number, since it is larger than the sum of its proper divisors (1).
47225249791 is an equidigital number, since it uses as much as digits as its factorization.
47225249791 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2540160, while the sum is 52.
The spelling of 47225249791 in words is "forty-seven billion, two hundred twenty-five million, two hundred forty-nine thousand, seven hundred ninety-one".
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