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8105922805 = 523919073557
BaseRepresentation
bin1111000110010011…
…01001000011110101
3202220220201112200011
413203021221003311
5113100104012210
63420202020221
7404605131001
oct74311510365
922826645604
108105922805
11348a644862
1216a27a7671
139c247b736
1456c79b701
1532696ed8a
hex1e32690f5

8105922805 has 16 divisors (see below), whose sum is σ = 9775676160. Its totient is φ = 6452404672.

The previous prime is 8105922751. The next prime is 8105922833. The reversal of 8105922805 is 5082295018.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8105922805 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2277087 + ... + 2280643.

It is an arithmetic number, because the mean of its divisors is an integer number (610979760).

Almost surely, 28105922805 is an apocalyptic number.

It is an amenable number.

8105922805 is a deficient number, since it is larger than the sum of its proper divisors (1669753355).

8105922805 is a wasteful number, since it uses less digits than its factorization.

8105922805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5708.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 8105922805 is about 90032.8984593965. The cubic root of 8105922805 is about 2008.7882273847.

The spelling of 8105922805 in words is "eight billion, one hundred five million, nine hundred twenty-two thousand, eight hundred five".

Divisors: 1 5 239 1195 1907 3557 9535 17785 455773 850123 2278865 4250615 6783199 33915995 1621184561 8105922805