Base | Representation |
---|---|
bin | 100101011111100001… |
… | …1011111111011000101 |
3 | 21200211012202102222101 |
4 | 1022333003133323011 |
5 | 2304343240324043 |
6 | 100553223032101 |
7 | 5550142211344 |
oct | 1127703377305 |
9 | 250735672871 |
10 | 80514776773 |
11 | 31167546532 |
12 | 1373029b631 |
13 | 7791991a62 |
14 | 3c7b299b5b |
15 | 21637a524d |
hex | 12bf0dfec5 |
80514776773 has 2 divisors, whose sum is σ = 80514776774. Its totient is φ = 80514776772.
The previous prime is 80514776759. The next prime is 80514776821. The reversal of 80514776773 is 37767741508.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 79669014049 + 845762724 = 282257^2 + 29082^2 .
It is a cyclic number.
It is not a de Polignac number, because 80514776773 - 29 = 80514776261 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80514746773) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40257388386 + 40257388387.
It is an arithmetic number, because the mean of its divisors is an integer number (40257388387).
Almost surely, 280514776773 is an apocalyptic number.
It is an amenable number.
80514776773 is a deficient number, since it is larger than the sum of its proper divisors (1).
80514776773 is an equidigital number, since it uses as much as digits as its factorization.
80514776773 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6914880, while the sum is 55.
The spelling of 80514776773 in words is "eighty billion, five hundred fourteen million, seven hundred seventy-six thousand, seven hundred seventy-three".
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