Search a number
-
+
122344443220 = 22547130153663
BaseRepresentation
bin111000111110001001…
…1000000110101010100
3102200210101122122222211
41301330103000311110
54001030134140340
6132112042003204
711560544415556
oct1617423006524
9380711578884
10122344443220
1147982280aaa
121b864aa6504
13b6c9b2058c
145cc88634d6
1532b0c055ea
hex1c7c4c0d54

122344443220 has 24 divisors (see below), whose sum is σ = 262389786624. Its totient is φ = 47896547616.

The previous prime is 122344443097. The next prime is 122344443223. The reversal of 122344443220 is 22344443221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122344443223) 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, 65075892 + ... + 65077771.

It is an arithmetic number, because the mean of its divisors is an integer number (10932907776).

Almost surely, 2122344443220 is an apocalyptic number.

122344443220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122344443220 is an abundant number, since it is smaller than the sum of its proper divisors (140045343404).

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

122344443220 is a wasteful number, since it uses less digits than its factorization.

122344443220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130153719 (or 130153717 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 122344443220 its reverse (22344443221), we get a palindrome (144688886441).

Subtracting from 122344443220 its reverse (22344443221), we obtain a palindrome (99999999999).

The spelling of 122344443220 in words is "one hundred twenty-two billion, three hundred forty-four million, four hundred forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 130153663 260307326 520614652 650768315 1301536630 2603073260 6117222161 12234444322 24468888644 30586110805 61172221610 122344443220