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5309737920 = 263451271613
BaseRepresentation
bin1001111000111110…
…00010101111000000
3111201001012122010000
410330133002233000
541333243103140
62234514040000
7245403012324
oct47437025700
914631178100
105309737920
112285232763
121042279000
13668088b76
1438528b984
1521123aa30
hex13c7c2bc0

5309737920 has 280 divisors, whose sum is σ = 19048195584. Its totient is φ = 1403910144.

The previous prime is 5309737913. The next prime is 5309737921. The reversal of 5309737920 is 297379035.

5309737920 is a `hidden beast` number, since 530 + 97 + 3 + 7 + 9 + 20 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5309737921) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3291034 + ... + 3292646.

Almost surely, 25309737920 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 5309737920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9524097792).

5309737920 is an abundant number, since it is smaller than the sum of its proper divisors (13738457664).

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

5309737920 is a wasteful number, since it uses less digits than its factorization.

5309737920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1750 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 45.

The square root of 5309737920 is about 72867.9485096157. The cubic root of 5309737920 is about 1744.5805588981.

The spelling of 5309737920 in words is "five billion, three hundred nine million, seven hundred thirty-seven thousand, nine hundred twenty".