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5486128309 is a prime number
BaseRepresentation
bin1010001101111111…
…11010110010110101
3112011100010012020101
411012333322302311
542213422101214
62304214434101
7252644215114
oct50677726265
915140105211
105486128309
11236585a442
121091362931
13695797a8c
143a0885c7b
1522197e774
hex146ffacb5

5486128309 has 2 divisors, whose sum is σ = 5486128310. Its totient is φ = 5486128308.

The previous prime is 5486128261. The next prime is 5486128321. The reversal of 5486128309 is 9038216845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3684125809 + 1802002500 = 60697^2 + 42450^2 .

It is a cyclic number.

It is not a de Polignac number, because 5486128309 - 213 = 5486120117 is a prime.

It is a super-2 number, since 2×54861283092 = 60195207645622398962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5486128009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2743064154 + 2743064155.

It is an arithmetic number, because the mean of its divisors is an integer number (2743064155).

Almost surely, 25486128309 is an apocalyptic number.

It is an amenable number.

5486128309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5486128309 is an equidigital number, since it uses as much as digits as its factorization.

5486128309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 5486128309 is about 74068.4029056925. The cubic root of 5486128309 is about 1763.6889212960.

The spelling of 5486128309 in words is "five billion, four hundred eighty-six million, one hundred twenty-eight thousand, three hundred nine".