Search a number
-
+
2813683868 = 2215140111617
BaseRepresentation
bin1010011110110101…
…0110100010011100
321021002102221122122
42213231112202130
521230300340433
61143111002112
7126503626652
oct24755264234
97232387578
102813683868
111214284376
12666369338
1335ac0b7c8
141c9986dd2
1511703e198
hexa7b5689c

2813683868 has 24 divisors (see below), whose sum is σ = 4969343904. Its totient is φ = 1393920000.

The previous prime is 2813683861. The next prime is 2813683879. The reversal of 2813683868 is 8683863182.

It is a super-3 number, since 3×28136838683 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813683861) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 236396 + ... + 248012.

It is an arithmetic number, because the mean of its divisors is an integer number (207055996).

Almost surely, 22813683868 is an apocalyptic number.

It is an amenable number.

2813683868 is a deficient number, since it is larger than the sum of its proper divisors (2155660036).

2813683868 is a wasteful number, since it uses less digits than its factorization.

2813683868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12173 (or 12171 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 53.

The square root of 2813683868 is about 53044.1690292156. The cubic root of 2813683868 is about 1411.7520710840.

The spelling of 2813683868 in words is "two billion, eight hundred thirteen million, six hundred eighty-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 151 302 401 604 802 1604 11617 23234 46468 60551 121102 242204 1754167 3508334 4658417 7016668 9316834 18633668 703420967 1406841934 2813683868