Search a number
-
+
8199900924 = 223683325077
BaseRepresentation
bin1111010001100000…
…01000111011111100
3210011110120010102020
413220300020323330
5113243133312144
63433400200140
7410126002455
oct75060107374
923143503366
108199900924
1135286a2a26
12170a169050
13a08a942a7
1457b06212c
1532ed35419
hex1e8c08efc

8199900924 has 12 divisors (see below), whose sum is σ = 19133102184. Its totient is φ = 2733300304.

The previous prime is 8199900911. The next prime is 8199900977. The reversal of 8199900924 is 4290099918.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 341662527 + ... + 341662550.

It is an arithmetic number, because the mean of its divisors is an integer number (1594425182).

Almost surely, 28199900924 is an apocalyptic number.

It is an amenable number.

8199900924 is an abundant number, since it is smaller than the sum of its proper divisors (10933201260).

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

8199900924 is a wasteful number, since it uses less digits than its factorization.

8199900924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683325084 (or 683325082 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 51.

The square root of 8199900924 is about 90553.3043240278. The cubic root of 8199900924 is about 2016.5215536531.

The spelling of 8199900924 in words is "eight billion, one hundred ninety-nine million, nine hundred thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 683325077 1366650154 2049975231 2733300308 4099950462 8199900924