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5697756540 = 2233573740739
BaseRepresentation
bin1010100111001110…
…01101110101111100
3112201002100000121000
411103213031311330
543132111202130
62341214410300
7261124063050
oct52347156574
915632300530
105697756540
112464264903
121130200990
136ca593a98
143c0a13c60
15235334260
hex1539cdd7c

5697756540 has 192 divisors, whose sum is σ = 20806732800. Its totient is φ = 1267114752.

The previous prime is 5697756529. The next prime is 5697756541. The reversal of 5697756540 is 456577965.

5697756540 is a `hidden beast` number, since 5 + 6 + 9 + 77 + 565 + 4 + 0 = 666.

It is a super-2 number, since 2×56977565402 = 64928859178225543200, 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 (5697756541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119491 + ... + 160229.

It is an arithmetic number, because the mean of its divisors is an integer number (108368400).

Almost surely, 25697756540 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 5697756540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10403366400).

5697756540 is an abundant number, since it is smaller than the sum of its proper divisors (15108976260).

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

5697756540 is a wasteful number, since it uses less digits than its factorization.

5697756540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40801 (or 40793 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 54.

The square root of 5697756540 is about 75483.4852136545. The cubic root of 5697756540 is about 1786.0815985645.

The spelling of 5697756540 in words is "five billion, six hundred ninety-seven million, seven hundred fifty-six thousand, five hundred forty".