Base | Representation |
---|---|
bin | 1001100111000… |
… | …10001101010011 |
3 | 12121200211112211 |
4 | 10303202031103 |
5 | 131114241243 |
6 | 11555532551 |
7 | 1666146562 |
oct | 463421523 |
9 | 177624484 |
10 | 80618323 |
11 | 41563815 |
12 | 22bba157 |
13 | 13918966 |
14 | a9c7bd9 |
15 | 7126d9d |
hex | 4ce2353 |
80618323 has 2 divisors, whose sum is σ = 80618324. Its totient is φ = 80618322.
The previous prime is 80618303. The next prime is 80618327. The reversal of 80618323 is 32381608.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80618323 - 29 = 80617811 is a prime.
It is not a weakly prime, because it can be changed into another prime (80618327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40309161 + 40309162.
It is an arithmetic number, because the mean of its divisors is an integer number (40309162).
Almost surely, 280618323 is an apocalyptic number.
80618323 is a deficient number, since it is larger than the sum of its proper divisors (1).
80618323 is an equidigital number, since it uses as much as digits as its factorization.
80618323 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 80618323 is about 8978.7706842307. The cubic root of 80618323 is about 431.9942039546.
It can be divided in two parts, 8061 and 8323, that added together give a 14-th power (16384 = 214).
The spelling of 80618323 in words is "eighty million, six hundred eighteen thousand, three hundred twenty-three".
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