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8085618019 = 33131637723
BaseRepresentation
bin1111000011111000…
…01011110101100011
3202212111111221202001
413201330023311203
5113024404234034
63414154504431
7404240422243
oct74174136543
922774457661
108085618019
11347a136546
121697a35117
139bb1bc67b
14569bd3b23
15324cada14
hex1e1f0bd63

8085618019 has 8 divisors (see below), whose sum is σ = 8113660352. Its totient is φ = 8057598120.

The previous prime is 8085617987. The next prime is 8085618041. The reversal of 8085618019 is 9108165808.

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

It is a cyclic number.

It is not a de Polignac number, because 8085618019 - 25 = 8085617987 is a prime.

It is a super-2 number, since 2×80856180192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8085618019.

It is not an unprimeable number, because it can be changed into a prime (8085618419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043092 + ... + 1050814.

It is an arithmetic number, because the mean of its divisors is an integer number (1014207544).

Almost surely, 28085618019 is an apocalyptic number.

8085618019 is a deficient number, since it is larger than the sum of its proper divisors (28042333).

8085618019 is a wasteful number, since it uses less digits than its factorization.

8085618019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11217.

The product of its (nonzero) digits is 138240, while the sum is 46.

The square root of 8085618019 is about 89920.0646074056. The cubic root of 8085618019 is about 2007.1095322461.

The spelling of 8085618019 in words is "eight billion, eighty-five million, six hundred eighteen thousand, nineteen".

Divisors: 1 331 3163 7723 1046953 2556313 24427849 8085618019