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8448117229 is a prime number
BaseRepresentation
bin1111101111000110…
…00000100111101101
3210210202121211011201
413313203000213231
5114300204222404
63514144245501
7416231545246
oct76743004755
923722554151
108448117229
113645818572
121779310891
13a48330b46
145a1dd5ccd
15346a15ca4
hex1f78c09ed

8448117229 has 2 divisors, whose sum is σ = 8448117230. Its totient is φ = 8448117228.

The previous prime is 8448117211. The next prime is 8448117239. The reversal of 8448117229 is 9227118448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8384149225 + 63968004 = 91565^2 + 7998^2 .

It is a cyclic number.

It is not a de Polignac number, because 8448117229 - 213 = 8448109037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8448117239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4224058614 + 4224058615.

It is an arithmetic number, because the mean of its divisors is an integer number (4224058615).

Almost surely, 28448117229 is an apocalyptic number.

It is an amenable number.

8448117229 is a deficient number, since it is larger than the sum of its proper divisors (1).

8448117229 is an equidigital number, since it uses as much as digits as its factorization.

8448117229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 46.

The square root of 8448117229 is about 91913.6400595690. The cubic root of 8448117229 is about 2036.6667684051. Note that the first 3 decimals are identical.

The spelling of 8448117229 in words is "eight billion, four hundred forty-eight million, one hundred seventeen thousand, two hundred twenty-nine".