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5278510129 is a prime number
BaseRepresentation
bin1001110101001111…
…11010110000110001
3111121212110002122011
410322213322300301
541302244311004
62231440442521
7244543411234
oct47247726061
914555402564
105278510129
112269643872
121033919441
13661774099
1438107d41b
1520d61d004
hex13a9fac31

5278510129 has 2 divisors, whose sum is σ = 5278510130. Its totient is φ = 5278510128.

The previous prime is 5278510121. The next prime is 5278510141. The reversal of 5278510129 is 9210158725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5274100129 + 4410000 = 72623^2 + 2100^2 .

It is a cyclic number.

It is not a de Polignac number, because 5278510129 - 23 = 5278510121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5278510091 and 5278510100.

It is not a weakly prime, because it can be changed into another prime (5278510121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639255064 + 2639255065.

It is an arithmetic number, because the mean of its divisors is an integer number (2639255065).

Almost surely, 25278510129 is an apocalyptic number.

It is an amenable number.

5278510129 is a deficient number, since it is larger than the sum of its proper divisors (1).

5278510129 is an equidigital number, since it uses as much as digits as its factorization.

5278510129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 5278510129 is about 72653.3559376303. The cubic root of 5278510129 is about 1741.1537388309.

The spelling of 5278510129 in words is "five billion, two hundred seventy-eight million, five hundred ten thousand, one hundred twenty-nine".