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80137793 is a prime number
BaseRepresentation
bin1001100011011…
…00111001000001
312120210102101102
410301230321001
5131003402133
611541344145
71662105611
oct461547101
9176712342
1080137793
114126578a
1222a08055
13137ab018
14a900a41
15707e7e8
hex4c6ce41

80137793 has 2 divisors, whose sum is σ = 80137794. Its totient is φ = 80137792.

The previous prime is 80137769. The next prime is 80137823. The reversal of 80137793 is 39773108.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70694464 + 9443329 = 8408^2 + 3073^2 .

It is a cyclic number.

It is not a de Polignac number, because 80137793 - 210 = 80136769 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80137093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40068896 + 40068897.

It is an arithmetic number, because the mean of its divisors is an integer number (40068897).

Almost surely, 280137793 is an apocalyptic number.

It is an amenable number.

80137793 is a deficient number, since it is larger than the sum of its proper divisors (1).

80137793 is an equidigital number, since it uses as much as digits as its factorization.

80137793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 80137793 is about 8951.9714588464. The cubic root of 80137793 is about 431.1341844566.

The spelling of 80137793 in words is "eighty million, one hundred thirty-seven thousand, seven hundred ninety-three".