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80618323 is a prime number
BaseRepresentation
bin1001100111000…
…10001101010011
312121200211112211
410303202031103
5131114241243
611555532551
71666146562
oct463421523
9177624484
1080618323
1141563815
1222bba157
1313918966
14a9c7bd9
157126d9d
hex4ce2353

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".