Search a number
-
+
120000221120 = 2651325214259
BaseRepresentation
bin110111111000010010…
…0100000111111000000
3102110202000120211211002
41233300210200333000
53431230024033440
6131043301111132
711445501023033
oct1576044407700
9373660524732
10120000221120
1146989aa626a
121b30b9b84a8
13b415263c00
145b453a301a
1531c4eeb115
hex1bf0920fc0

120000221120 has 168 divisors, whose sum is σ = 310088859120. Its totient is φ = 44212346880.

The previous prime is 120000221069. The next prime is 120000221203. The reversal of 120000221120 is 21122000021.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 28173551 + ... + 28177809.

Almost surely, 2120000221120 is an apocalyptic number.

120000221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120000221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155044429560).

120000221120 is an abundant number, since it is smaller than the sum of its proper divisors (190088638000).

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

120000221120 is a wasteful number, since it uses less digits than its factorization.

120000221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823 (or 4800 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120000221120 its reverse (21122000021), we get a palindrome (141122221141).

The spelling of 120000221120 in words is "one hundred twenty billion, two hundred twenty-one thousand, one hundred twenty".