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5028387840 = 2103257217131
BaseRepresentation
bin1001010111011011…
…10001110000000000
3110222102210120100200
410223231301300000
540244231402330
62150543445200
7235415406600
oct45355616000
913872716320
105028387840
112150437233
12b83bb6800
136219bab28
14359b70c00
151e66b2a60
hex12bb71c00

5028387840 has 792 divisors, whose sum is σ = 21623885712. Its totient is φ = 1073479680.

The previous prime is 5028387817. The next prime is 5028387851. The reversal of 5028387840 is 487838205.

5028387840 is a `hidden beast` number, since 502 + 8 + 38 + 78 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 38384575 + ... + 38384705.

It is an arithmetic number, because the mean of its divisors is an integer number (27302886).

Almost surely, 25028387840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5028387840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10811942856).

5028387840 is an abundant number, since it is smaller than the sum of its proper divisors (16595497872).

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

5028387840 is a wasteful number, since it uses less digits than its factorization.

5028387840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 5028387840 is about 70911.1263484088. The cubic root of 5028387840 is about 1713.2060096387.

The spelling of 5028387840 in words is "five billion, twenty-eight million, three hundred eighty-seven thousand, eight hundred forty".