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80112629 is a prime number
BaseRepresentation
bin1001100011001…
…10101111110101
312120202010212102
410301212233311
5131002101004
611541031445
71661642342
oct461465765
9176663772
1080112629
1141248893
12229b5585
131379c72c
14a8d57c9
15707711e
hex4c66bf5

80112629 has 2 divisors, whose sum is σ = 80112630. Its totient is φ = 80112628.

The previous prime is 80112583. The next prime is 80112631. The reversal of 80112629 is 92621108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79299025 + 813604 = 8905^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 80112629 - 212 = 80108533 is a prime.

It is a Sophie Germain prime.

Together with 80112631, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80112829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40056314 + 40056315.

It is an arithmetic number, because the mean of its divisors is an integer number (40056315).

Almost surely, 280112629 is an apocalyptic number.

It is an amenable number.

80112629 is a deficient number, since it is larger than the sum of its proper divisors (1).

80112629 is an equidigital number, since it uses as much as digits as its factorization.

80112629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 80112629 is about 8950.5658480344. The cubic root of 80112629 is about 431.0890530399.

The spelling of 80112629 in words is "eighty million, one hundred twelve thousand, six hundred twenty-nine".