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5271367680 = 2123359533
BaseRepresentation
bin1001110100011001…
…01011000000000000
3111121101000020001000
410322030223000000
541243432231210
62231023412000
7244425612615
oct47214530000
914541006030
105271367680
112265605617
121031454000
13660143097
1438014050c
1520cbabac0
hex13a32b000

5271367680 has 208 divisors, whose sum is σ = 18742318560. Its totient is φ = 1405550592.

The previous prime is 5271367679. The next prime is 5271367687. The reversal of 5271367680 is 867631725.

5271367680 is a `hidden beast` number, since 527 + 1 + 3 + 67 + 68 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (5271367687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548194 + ... + 557726.

Almost surely, 25271367680 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 5271367680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9371159280).

5271367680 is an abundant number, since it is smaller than the sum of its proper divisors (13470950880).

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

5271367680 is an equidigital number, since it uses as much as digits as its factorization.

5271367680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9571 (or 9543 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 5271367680 is about 72604.1850033454. The cubic root of 5271367680 is about 1740.3680553160.

The spelling of 5271367680 in words is "five billion, two hundred seventy-one million, three hundred sixty-seven thousand, six hundred eighty".