Base | Representation |
---|---|
bin | 10010010111111000000010… |
… | …000111100101100001000101 |
3 | 101121002221020201202200100101 |
4 | 102113320002013211201011 |
5 | 41042404231331000203 |
6 | 443505320214044101 |
7 | 23010002602222366 |
oct | 2227700207454105 |
9 | 347087221680311 |
10 | 80805550250053 |
11 | 23824494579952 |
12 | 90907a7349631 |
13 | 3611c13967705 |
14 | 15d501c0d3b6d |
15 | 951e1012441d |
hex | 497e021e5845 |
80805550250053 has 2 divisors, whose sum is σ = 80805550250054. Its totient is φ = 80805550250052.
The previous prime is 80805550250041. The next prime is 80805550250083. The reversal of 80805550250053 is 35005205550808.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 76863129534244 + 3942420715809 = 8767162^2 + 1985553^2 .
It is a cyclic number.
It is not a de Polignac number, because 80805550250053 - 213 = 80805550241861 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80805550249985 and 80805550250012.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80805550250083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40402775125026 + 40402775125027.
It is an arithmetic number, because the mean of its divisors is an integer number (40402775125027).
Almost surely, 280805550250053 is an apocalyptic number.
It is an amenable number.
80805550250053 is a deficient number, since it is larger than the sum of its proper divisors (1).
80805550250053 is an equidigital number, since it uses as much as digits as its factorization.
80805550250053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1200000, while the sum is 46.
The spelling of 80805550250053 in words is "eighty trillion, eight hundred five billion, five hundred fifty million, two hundred fifty thousand, fifty-three".
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