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80316013 is a prime number
BaseRepresentation
bin1001100100110…
…00011001101101
312121010110212011
410302120121231
5131030103023
611545241221
71663450321
oct462303155
9177113764
1080316013
1141377678
1222a93211
131384118b
14a949981
1570b750d
hex4c9866d

80316013 has 2 divisors, whose sum is σ = 80316014. Its totient is φ = 80316012.

The previous prime is 80315971. The next prime is 80316031. The reversal of 80316013 is 31061308.

Together with next prime (80316031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77211369 + 3104644 = 8787^2 + 1762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80316013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80316053) 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, 40158006 + 40158007.

It is an arithmetic number, because the mean of its divisors is an integer number (40158007).

Almost surely, 280316013 is an apocalyptic number.

It is an amenable number.

80316013 is a deficient number, since it is larger than the sum of its proper divisors (1).

80316013 is an equidigital number, since it uses as much as digits as its factorization.

80316013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 80316013 is about 8961.9201625545. The cubic root of 80316013 is about 431.4535503977.

The spelling of 80316013 in words is "eighty million, three hundred sixteen thousand, thirteen".