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5881320561 = 317115320011
BaseRepresentation
bin1010111101000110…
…11101010001110001
3120011212202001002110
411132203131101301
544021104224221
62411333035533
7265513254114
oct53643352161
916155661073
105881320561
112548941206
121181785ba9
13729614c4c
143db15857b
152464e3776
hex15e8dd471

5881320561 has 8 divisors (see below), whose sum is σ = 8303040864. Its totient is φ = 3690240320.

The previous prime is 5881320469. The next prime is 5881320583. The reversal of 5881320561 is 1650231885.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5881320561 - 210 = 5881319537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5881320661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57659955 + ... + 57660056.

It is an arithmetic number, because the mean of its divisors is an integer number (1037880108).

Almost surely, 25881320561 is an apocalyptic number.

5881320561 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5881320561 is a deficient number, since it is larger than the sum of its proper divisors (2421720303).

5881320561 is a wasteful number, since it uses less digits than its factorization.

5881320561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115320031.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 5881320561 is about 76689.7682940821. The cubic root of 5881320561 is about 1805.0598948314.

The spelling of 5881320561 in words is "five billion, eight hundred eighty-one million, three hundred twenty thousand, five hundred sixty-one".

Divisors: 1 3 17 51 115320011 345960033 1960440187 5881320561