Search a number
-
+
12013132333220 = 2254389156952343
BaseRepresentation
bin1010111011010000011001…
…1111000100000010100100
31120112102222211212202022022
42232310012133010002210
53033310343334130340
641314431245322312
72346630422006204
oct256640637040244
946472884782268
1012013132333220
113911817025157
121420285866398
13691aab316065
142d761db54404
1515c750cb23b5
hexaed067c40a4

12013132333220 has 48 divisors (see below), whose sum is σ = 26104313854080. Its totient is φ = 4640766848256.

The previous prime is 12013132333171. The next prime is 12013132333229. The reversal of 12013132333220 is 2233323131021.

It is a super-2 number, since 2×120131323332202 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12013132333220.

It is not an unprimeable number, because it can be changed into a prime (12013132333229) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 78399632 + ... + 78552711.

It is an arithmetic number, because the mean of its divisors is an integer number (543839871960).

Almost surely, 212013132333220 is an apocalyptic number.

12013132333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013132333220 is an abundant number, since it is smaller than the sum of its proper divisors (14091181520860).

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

12013132333220 is a wasteful number, since it uses less digits than its factorization.

12013132333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156952484 (or 156952482 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 12013132333220 its reverse (2233323131021), we get a palindrome (14246455464241).

The spelling of 12013132333220 in words is "twelve trillion, thirteen billion, one hundred thirty-two million, three hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 89 172 178 215 356 430 445 860 890 1780 3827 7654 15308 19135 38270 76540 156952343 313904686 627809372 784761715 1569523430 3139046860 6748950749 13497901498 13968758527 26995802996 27937517054 33744753745 55875034108 67489507490 69843792635 134979014980 139687585270 279375170540 600656616661 1201313233322 2402626466644 3003283083305 6006566166610 12013132333220