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8506040673 = 3131129193183
BaseRepresentation
bin1111110101111111…
…11110000101100001
3210221210121122012110
413322333332011201
5114410021300143
63524013545533
7420534103254
oct77277760541
923853548173
108506040673
113675490289
1217947a52a9
13a57331880
145a999309b
1534bb58533
hex1faffe161

8506040673 has 16 divisors (see below), whose sum is σ = 12224683520. Its totient is φ = 5229823104.

The previous prime is 8506040651. The next prime is 8506040689. The reversal of 8506040673 is 3760406058.

It is not a de Polignac number, because 8506040673 - 224 = 8489263457 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8506040623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52561 + ... + 140622.

It is an arithmetic number, because the mean of its divisors is an integer number (764042720).

Almost surely, 28506040673 is an apocalyptic number.

It is an amenable number.

8506040673 is a deficient number, since it is larger than the sum of its proper divisors (3718642847).

8506040673 is a wasteful number, since it uses less digits than its factorization.

8506040673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194328.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 8506040673 is about 92228.1989035891. The cubic root of 8506040673 is about 2041.3108863577.

The spelling of 8506040673 in words is "eight billion, five hundred six million, forty thousand, six hundred seventy-three".

Divisors: 1 3 13 39 1129 3387 14677 44031 193183 579549 2511379 7534137 218103607 654310821 2835346891 8506040673