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5278369536 = 28341173317
BaseRepresentation
bin1001110101001110…
…11000011100000000
3111121212011221210000
410322213120130000
541302230311121
62231433440000
7244542254316
oct47247303400
914555157700
105278369536
112269558180
121033870000
136617250ab
143810440b6
1520d5e1526
hex13a9d8700

5278369536 has 360 divisors, whose sum is σ = 17460085104. Its totient is φ = 1572618240.

The previous prime is 5278369531. The next prime is 5278369573. The reversal of 5278369536 is 6359638725.

It is a happy number.

5278369536 is a `hidden beast` number, since 5 + 2 + 78 + 36 + 9 + 536 = 666.

It is a super-2 number, since 2×52783695362 = 55722369917145710592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278369531) 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, 16650850 + ... + 16651166.

Almost surely, 25278369536 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 5278369536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8730042552).

5278369536 is an abundant number, since it is smaller than the sum of its proper divisors (12181715568).

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

5278369536 is a wasteful number, since it uses less digits than its factorization.

5278369536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 406 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The square root of 5278369536 is about 72652.3883709269. The cubic root of 5278369536 is about 1741.1382801632.

The spelling of 5278369536 in words is "five billion, two hundred seventy-eight million, three hundred sixty-nine thousand, five hundred thirty-six".