Search a number
-
+
818683012 = 22797729927
BaseRepresentation
bin110000110011000…
…001110010000100
32010001111101222001
4300303001302010
53134040324022
6213123115044
726200455640
oct6063016204
92101441861
10818683012
11390141734
121aa212a84
131007c4a24
147aa2dc20
154bd17b27
hex30cc1c84

818683012 has 24 divisors (see below), whose sum is σ = 1639096704. Its totient is φ = 350493312.

The previous prime is 818682971. The next prime is 818683043. The reversal of 818683012 is 210386818.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12393 + ... + 42319.

It is an arithmetic number, because the mean of its divisors is an integer number (68295696).

Almost surely, 2818683012 is an apocalyptic number.

It is an amenable number.

818683012 is an abundant number, since it is smaller than the sum of its proper divisors (820413692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818683012 is a wasteful number, since it uses less digits than its factorization.

818683012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30915 (or 30913 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 818683012 is about 28612.6372779581. The cubic root of 818683012 is about 935.4888012026.

The spelling of 818683012 in words is "eight hundred eighteen million, six hundred eighty-three thousand, twelve".

Divisors: 1 2 4 7 14 28 977 1954 3908 6839 13678 27356 29927 59854 119708 209489 418978 837956 29238679 58477358 116954716 204670753 409341506 818683012