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80113811 is a prime number
BaseRepresentation
bin1001100011001…
…11000010010011
312120202012111012
410301213002103
5131002120221
611541041135
71661645651
oct461470223
9176665435
1080113811
1141249768
12229b61ab
13137a012b
14a8d5dd1
15707765b
hex4c67093

80113811 has 2 divisors, whose sum is σ = 80113812. Its totient is φ = 80113810.

The previous prime is 80113783. The next prime is 80113819. The reversal of 80113811 is 11831108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80113811 - 210 = 80112787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80113819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40056905 + 40056906.

It is an arithmetic number, because the mean of its divisors is an integer number (40056906).

Almost surely, 280113811 is an apocalyptic number.

80113811 is a deficient number, since it is larger than the sum of its proper divisors (1).

80113811 is an equidigital number, since it uses as much as digits as its factorization.

80113811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 80113811 is about 8950.6318771358. The cubic root of 80113811 is about 431.0911731582.

Adding to 80113811 its reverse (11831108), we get a palindrome (91944919).

The spelling of 80113811 in words is "eighty million, one hundred thirteen thousand, eight hundred eleven".