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8520448718 = 2157142319069
BaseRepresentation
bin1111110111101101…
…11011101011001110
3210222210201122022202
413323312323223032
5114422213324333
63525250441502
7421100422235
oct77366735316
923883648282
108520448718
113682631261
121799593292
13a5a307942
145ab863b1c
1534d0525e8
hex1fbdbbace

8520448718 has 16 divisors (see below), whose sum is σ = 12871792320. Its totient is φ = 4229892576.

The previous prime is 8520448691. The next prime is 8520448723. The reversal of 8520448718 is 8178440258.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437288 + ... + 456356.

It is an arithmetic number, because the mean of its divisors is an integer number (804487020).

Almost surely, 28520448718 is an apocalyptic number.

8520448718 is a deficient number, since it is larger than the sum of its proper divisors (4351343602).

8520448718 is a wasteful number, since it uses less digits than its factorization.

8520448718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20651.

The product of its (nonzero) digits is 573440, while the sum is 47.

The square root of 8520448718 is about 92306.2766988248. The cubic root of 8520448718 is about 2042.4628013962.

The spelling of 8520448718 in words is "eight billion, five hundred twenty million, four hundred forty-eight thousand, seven hundred eighteen".

Divisors: 1 2 157 314 1423 2846 19069 38138 223411 446822 2993833 5987666 27135187 54270374 4260224359 8520448718