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78014981323 is a prime number
BaseRepresentation
bin100100010101000001…
…1100010010011001011
321110100222221200021201
41020222003202103023
52234233313400243
655501203445031
75431166254066
oct1105203422313
9243328850251
1078014981323
11300a4472184
1213153086777
137483b04756
143ac129d8dd
1520690ba04d
hex122a0e24cb

78014981323 has 2 divisors, whose sum is σ = 78014981324. Its totient is φ = 78014981322.

The previous prime is 78014981267. The next prime is 78014981347. The reversal of 78014981323 is 32318941087.

It is a strong prime.

It is an emirp because it is prime and its reverse (32318941087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78014981323 - 29 = 78014980811 is a prime.

It is not a weakly prime, because it can be changed into another prime (78014381323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39007490661 + 39007490662.

It is an arithmetic number, because the mean of its divisors is an integer number (39007490662).

Almost surely, 278014981323 is an apocalyptic number.

78014981323 is a deficient number, since it is larger than the sum of its proper divisors (1).

78014981323 is an equidigital number, since it uses as much as digits as its factorization.

78014981323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 78014981323 in words is "seventy-eight billion, fourteen million, nine hundred eighty-one thousand, three hundred twenty-three".