Base | Representation |
---|---|
bin | 100101010110011001… |
… | …1100011100011000101 |
3 | 21200000212122102121001 |
4 | 1022230303203203011 |
5 | 2303231400414204 |
6 | 100503004453301 |
7 | 5536433625346 |
oct | 1125463434305 |
9 | 250025572531 |
10 | 80208607429 |
11 | 3101a738a15 |
12 | 1366584a231 |
13 | 7743413b72 |
14 | 3c4c75c0cd |
15 | 21469784a4 |
hex | 12acce38c5 |
80208607429 has 2 divisors, whose sum is σ = 80208607430. Its totient is φ = 80208607428.
The previous prime is 80208607387. The next prime is 80208607463. The reversal of 80208607429 is 92470680208.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 70810274404 + 9398333025 = 266102^2 + 96945^2 .
It is a cyclic number.
It is not a de Polignac number, because 80208607429 - 211 = 80208605381 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80208607489) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40104303714 + 40104303715.
It is an arithmetic number, because the mean of its divisors is an integer number (40104303715).
Almost surely, 280208607429 is an apocalyptic number.
It is an amenable number.
80208607429 is a deficient number, since it is larger than the sum of its proper divisors (1).
80208607429 is an equidigital number, since it uses as much as digits as its factorization.
80208607429 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 387072, while the sum is 46.
The spelling of 80208607429 in words is "eighty billion, two hundred eight million, six hundred seven thousand, four hundred twenty-nine".
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