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5271140784 = 2437136173271
BaseRepresentation
bin1001110100010111…
…10011100110110000
3111121100120200210110
410322023303212300
541243403001114
62231014501320
7244423646250
oct47213634660
914540520713
105271140784
1122654700a8
121031364840
13660093a20
143800c1960
1520cb64759
hex13a2f39b0

5271140784 has 320 divisors, whose sum is σ = 17331335168. Its totient is φ = 1343692800.

The previous prime is 5271140783. The next prime is 5271140801. The reversal of 5271140784 is 4870411725.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (5271140783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19450569 + ... + 19450839.

Almost surely, 25271140784 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 5271140784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8665667584).

5271140784 is an abundant number, since it is smaller than the sum of its proper divisors (12060194384).

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

5271140784 is a wasteful number, since it uses less digits than its factorization.

5271140784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 5271140784 is about 72602.6224319756. The cubic root of 5271140784 is about 1740.3430846797.

The spelling of 5271140784 in words is "five billion, two hundred seventy-one million, one hundred forty thousand, seven hundred eighty-four".