Search a number
-
+
120311332340 = 22541146721137
BaseRepresentation
bin111000000001100011…
…1010011110111110100
3102111112200222221011212
41300003013103313310
53432344200113330
6131134213220552
711456266310603
oct1600307236764
9374480887155
10120311332340
1147029679781
121b398031758
13b4648522a4
145b74829a3a
1531e24a2295
hex1c031d3df4

120311332340 has 24 divisors (see below), whose sum is σ = 258816087432. Its totient is φ = 46950763520.

The previous prime is 120311332333. The next prime is 120311332363. The reversal of 120311332340 is 43233113021.

It can be written as a sum of positive squares in 4 ways, for example, as 9211776484 + 111099555856 = 95978^2 + 333316^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73359749 + ... + 73361388.

It is an arithmetic number, because the mean of its divisors is an integer number (10784003643).

Almost surely, 2120311332340 is an apocalyptic number.

120311332340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120311332340 is an abundant number, since it is smaller than the sum of its proper divisors (138504755092).

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

120311332340 is a wasteful number, since it uses less digits than its factorization.

120311332340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146721187 (or 146721185 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 120311332340 its reverse (43233113021), we get a palindrome (163544445361).

The spelling of 120311332340 in words is "one hundred twenty billion, three hundred eleven million, three hundred thirty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 146721137 293442274 586884548 733605685 1467211370 2934422740 6015566617 12031133234 24062266468 30077833085 60155666170 120311332340