Base | Representation |
---|---|
bin | 100101100010111001… |
… | …0000011001000010011 |
3 | 21201010002010122012021 |
4 | 1023011302003020103 |
5 | 2310111134033044 |
6 | 101012334112311 |
7 | 5553012441166 |
oct | 1130562031023 |
9 | 251102118167 |
10 | 80627642899 |
11 | 31215225521 |
12 | 1376204b697 |
13 | 77ac18b84b |
14 | 3c8c279add |
15 | 216d64be84 |
hex | 12c5c83213 |
80627642899 has 2 divisors, whose sum is σ = 80627642900. Its totient is φ = 80627642898.
The previous prime is 80627642897. The next prime is 80627642923. The reversal of 80627642899 is 99824672608.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 80627642899 - 21 = 80627642897 is a prime.
Together with 80627642897, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (80627642897) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40313821449 + 40313821450.
It is an arithmetic number, because the mean of its divisors is an integer number (40313821450).
Almost surely, 280627642899 is an apocalyptic number.
80627642899 is a deficient number, since it is larger than the sum of its proper divisors (1).
80627642899 is an equidigital number, since it uses as much as digits as its factorization.
80627642899 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20901888, while the sum is 61.
The spelling of 80627642899 in words is "eighty billion, six hundred twenty-seven million, six hundred forty-two thousand, eight hundred ninety-nine".
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