Search a number
-
+
120021330330 = 2325112346711287
BaseRepresentation
bin110111111000111010…
…1000010100110011010
3102110210111022022012200
41233301311002212122
53431300430032310
6131045333351030
711446145321646
oct1576165024632
9373714268180
10120021330330
114699aa039a0
121b316a98476
13b419745175
145b480d9c26
1531c6cba9c0
hex1bf1d4299a

120021330330 has 192 divisors, whose sum is σ = 356017379328. Its totient is φ = 27768977280.

The previous prime is 120021330287. The next prime is 120021330409. The reversal of 120021330330 is 33033120021.

120021330330 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 2 + 1 + 330 + 330 = 666.

120021330330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10627947 + ... + 10639233.

It is an arithmetic number, because the mean of its divisors is an integer number (1854257184).

Almost surely, 2120021330330 is an apocalyptic number.

120021330330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120021330330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178008689664).

120021330330 is an abundant number, since it is smaller than the sum of its proper divisors (235996048998).

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

120021330330 is a wasteful number, since it uses less digits than its factorization.

120021330330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11801 (or 11798 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 120021330330 its reverse (33033120021), we get a palindrome (153054450351).

The spelling of 120021330330 in words is "one hundred twenty billion, twenty-one million, three hundred thirty thousand, three hundred thirty".