Base | Representation |
---|---|
bin | 101101010011101001… |
… | …101100101010010101 |
3 | 11122120100221112001112 |
4 | 231103221230222111 |
5 | 1244112402030041 |
6 | 34203145104405 |
7 | 3341354600042 |
oct | 552351545225 |
9 | 148510845045 |
10 | 48648080021 |
11 | 196a4633612 |
12 | 9518188105 |
13 | 4783956788 |
14 | 24d6d761c9 |
15 | 13ead4adeb |
hex | b53a6ca95 |
48648080021 has 2 divisors, whose sum is σ = 48648080022. Its totient is φ = 48648080020.
The previous prime is 48648079981. The next prime is 48648080027. The reversal of 48648080021 is 12008084684.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 41703357796 + 6944722225 = 204214^2 + 83335^2 .
It is a cyclic number.
It is not a de Polignac number, because 48648080021 - 226 = 48580971157 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (48648080027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24324040010 + 24324040011.
It is an arithmetic number, because the mean of its divisors is an integer number (24324040011).
Almost surely, 248648080021 is an apocalyptic number.
It is an amenable number.
48648080021 is a deficient number, since it is larger than the sum of its proper divisors (1).
48648080021 is an equidigital number, since it uses as much as digits as its factorization.
48648080021 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 98304, while the sum is 41.
The spelling of 48648080021 in words is "forty-eight billion, six hundred forty-eight million, eighty thousand, twenty-one".
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