Base | Representation |
---|---|
bin | 100101011101100100… |
… | …0001000110101011001 |
3 | 21200122121202202011102 |
4 | 1022323020020311121 |
5 | 2304224403242212 |
6 | 100542510441145 |
7 | 5545412142323 |
oct | 1127310106531 |
9 | 250577682142 |
10 | 80448884057 |
11 | 31133330343 |
12 | 137122031b5 |
13 | 7781130899 |
14 | 3c72626613 |
15 | 215cadb5c2 |
hex | 12bb208d59 |
80448884057 has 2 divisors, whose sum is σ = 80448884058. Its totient is φ = 80448884056.
The previous prime is 80448883973. The next prime is 80448884063. The reversal of 80448884057 is 75048884408.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 70811338816 + 9637545241 = 266104^2 + 98171^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80448884057 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80448883993 and 80448884011.
It is not a weakly prime, because it can be changed into another prime (80448884357) 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 as a sum of consecutive naturals, namely, 40224442028 + 40224442029.
It is an arithmetic number, because the mean of its divisors is an integer number (40224442029).
Almost surely, 280448884057 is an apocalyptic number.
It is an amenable number.
80448884057 is a deficient number, since it is larger than the sum of its proper divisors (1).
80448884057 is an equidigital number, since it uses as much as digits as its factorization.
80448884057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9175040, while the sum is 56.
The spelling of 80448884057 in words is "eighty billion, four hundred forty-eight million, eight hundred eighty-four thousand, fifty-seven".
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