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5271407149 is a prime number
BaseRepresentation
bin1001110100011001…
…10100101000101101
3111121101002020011211
410322030310220231
541243440012044
62231024314421
7244426135651
oct47214645055
914541066154
105271407149
112265632238
121031472a11
13660158038
14380150a61
1520cbb8634
hex13a334a2d

5271407149 has 2 divisors, whose sum is σ = 5271407150. Its totient is φ = 5271407148.

The previous prime is 5271407129. The next prime is 5271407179. The reversal of 5271407149 is 9417041725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5231628900 + 39778249 = 72330^2 + 6307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5271407149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5271407129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2635703574 + 2635703575.

It is an arithmetic number, because the mean of its divisors is an integer number (2635703575).

Almost surely, 25271407149 is an apocalyptic number.

It is an amenable number.

5271407149 is a deficient number, since it is larger than the sum of its proper divisors (1).

5271407149 is an equidigital number, since it uses as much as digits as its factorization.

5271407149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 5271407149 is about 72604.4568122371. The cubic root of 5271407149 is about 1740.3723989336.

The spelling of 5271407149 in words is "five billion, two hundred seventy-one million, four hundred seven thousand, one hundred forty-nine".