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83130143 is a prime number
BaseRepresentation
bin1001111010001…
…11011100011111
312210102110010012
410331013130133
5132240131033
612125433435
72026410635
oct475073437
9183373105
1083130143
1142a199a8
1223a0b87b
13142b8045
14b07d355
157471248
hex4f4771f

83130143 has 2 divisors, whose sum is σ = 83130144. Its totient is φ = 83130142.

The previous prime is 83130139. The next prime is 83130191. The reversal of 83130143 is 34103138.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83130143 - 22 = 83130139 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83130343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41565071 + 41565072.

It is an arithmetic number, because the mean of its divisors is an integer number (41565072).

Almost surely, 283130143 is an apocalyptic number.

83130143 is a deficient number, since it is larger than the sum of its proper divisors (1).

83130143 is an equidigital number, since it uses as much as digits as its factorization.

83130143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 83130143 is about 9117.5733065328. The cubic root of 83130143 is about 436.4349372297.

The spelling of 83130143 in words is "eighty-three million, one hundred thirty thousand, one hundred forty-three".