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5401827749 is a prime number
BaseRepresentation
bin1010000011111100…
…10101100110100101
3111221110111021121102
411001332111212211
542030331441444
62252003525445
7250601530643
oct50176254645
914843437542
105401827749
11232221115a
121069089885
136811900a6
143935c0193
1521937b84e
hex141f959a5

5401827749 has 2 divisors, whose sum is σ = 5401827750. Its totient is φ = 5401827748.

The previous prime is 5401827719. The next prime is 5401827757. The reversal of 5401827749 is 9477281045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5344341025 + 57486724 = 73105^2 + 7582^2 .

It is a cyclic number.

It is not a de Polignac number, because 5401827749 - 224 = 5385050533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5401827719) 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, 2700913874 + 2700913875.

It is an arithmetic number, because the mean of its divisors is an integer number (2700913875).

Almost surely, 25401827749 is an apocalyptic number.

It is an amenable number.

5401827749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401827749 is an equidigital number, since it uses as much as digits as its factorization.

5401827749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 5401827749 is about 73497.1274880862. The cubic root of 5401827749 is about 1754.6085602476.

The spelling of 5401827749 in words is "five billion, four hundred one million, eight hundred twenty-seven thousand, seven hundred forty-nine".