Search a number
-
+
8105000223 = 317158921573
BaseRepresentation
bin1111000110001100…
…00111110100011111
3202220211222200010110
413203012013310133
5113044340001343
63420130141103
7404564236155
oct74306076437
922824880113
108105000223
11348a0746a1
1216a2421793
139c2217828
1456c5db3d5
1532683b833
hex1e3187d1f

8105000223 has 8 divisors (see below), whose sum is σ = 11442353328. Its totient is φ = 5085490304.

The previous prime is 8105000203. The next prime is 8105000279. The reversal of 8105000223 is 3220005018.

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 8105000223 - 26 = 8105000159 is a prime.

It is a super-2 number, since 2×81050002232 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8105000223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105000203) 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, 79460736 + ... + 79460837.

It is an arithmetic number, because the mean of its divisors is an integer number (1430294166).

Almost surely, 28105000223 is an apocalyptic number.

8105000223 is a deficient number, since it is larger than the sum of its proper divisors (3337353105).

8105000223 is a wasteful number, since it uses less digits than its factorization.

8105000223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158921593.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 8105000223 is about 90027.7747309129. The cubic root of 8105000223 is about 2008.7120138874.

The spelling of 8105000223 in words is "eight billion, one hundred five million, two hundred twenty-three", and thus it is an aban number.

Divisors: 1 3 17 51 158921573 476764719 2701666741 8105000223