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8085108911 = 1129182313903
BaseRepresentation
bin1111000011110100…
…01111100010101111
3202212110120002101012
413201322033202233
5113024241441121
63414135535435
7404233202045
oct74172174257
922773502335
108085108911
113479918aa0
12169782a57b
139bb071a19
14569b00395
15324c0cc5b
hex1e1e8f8af

8085108911 has 16 divisors (see below), whose sum is σ = 9129922560. Its totient is φ = 7092244320.

The previous prime is 8085108907. The next prime is 8085108937. The reversal of 8085108911 is 1198015808.

It is a happy number.

8085108911 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8085108911 - 22 = 8085108907 is a prime.

It is a super-2 number, since 2×80851089112 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8085108901) 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, 574586 + ... + 588488.

It is an arithmetic number, because the mean of its divisors is an integer number (570620160).

Almost surely, 28085108911 is an apocalyptic number.

8085108911 is a deficient number, since it is larger than the sum of its proper divisors (1044813649).

8085108911 is a wasteful number, since it uses less digits than its factorization.

8085108911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15766.

The product of its (nonzero) digits is 23040, while the sum is 41.

The square root of 8085108911 is about 89917.2336707486. The cubic root of 8085108911 is about 2007.0674057212.

The spelling of 8085108911 in words is "eight billion, eighty-five million, one hundred eight thousand, nine hundred eleven".

Divisors: 1 11 29 319 1823 13903 20053 52867 152933 403187 581537 4435057 25345169 278796859 735009901 8085108911