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5281332550 = 252138125127
BaseRepresentation
bin1001110101100101…
…01011110101000110
3111122001202111021021
410322302223311012
541304010120200
62232021141354
7244606404664
oct47262536506
914561674237
105281332550
1122701a134a
12103485a85a
13662221960
143815b5c34
1520d9c941a
hex13acabd46

5281332550 has 24 divisors (see below), whose sum is σ = 10578916656. Its totient is φ = 1950030240.

The previous prime is 5281332527. The next prime is 5281332559. The reversal of 5281332550 is 552331825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281332559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4061914 + ... + 4063213.

It is an arithmetic number, because the mean of its divisors is an integer number (440788194).

Almost surely, 25281332550 is an apocalyptic number.

5281332550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5281332550 is an abundant number, since it is smaller than the sum of its proper divisors (5297584106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5281332550 is a wasteful number, since it uses less digits than its factorization.

5281332550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125152 (or 8125147 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 5281332550 is about 72672.7772277900. Note that the first 3 decimals coincide. The cubic root of 5281332550 is about 1741.4640153502.

The spelling of 5281332550 in words is "five billion, two hundred eighty-one million, three hundred thirty-two thousand, five hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 8125127 16250254 40625635 81251270 105626651 203128175 211253302 406256350 528133255 1056266510 2640666275 5281332550