Search a number
-
+
131234142224440 = 2355695765999219
BaseRepresentation
bin11101110101101101010100…
…011011100000000000111000
3122012122212021000100002211101
4131311231110123200000320
5114200120010402140230
61143040044352541144
736433232245423453
oct3565552433400070
9565585230302741
10131234142224440
11388a70a6022932
12128760808517b4
13582c432462358
142459aa2d0849a
151028a7b878aca
hex775b546e0038

131234142224440 has 32 divisors (see below), whose sum is σ = 295795759986000. Its totient is φ = 52401400893184.

The previous prime is 131234142224401. The next prime is 131234142224443. The reversal of 131234142224440 is 44422241432131.

131234142224440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1312341422244402 (a number of 29 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 131234142224440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131234142224443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882976850 + ... + 2883022369.

Almost surely, 2131234142224440 is an apocalyptic number.

131234142224440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131234142224440 is an abundant number, since it is smaller than the sum of its proper divisors (164561617761560).

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

131234142224440 is a wasteful number, since it uses less digits than its factorization.

131234142224440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5765999799 (or 5765999795 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 131234142224440 its reverse (44422241432131), we get a palindrome (175656383656571).

The spelling of 131234142224440 in words is "one hundred thirty-one trillion, two hundred thirty-four billion, one hundred forty-two million, two hundred twenty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 569 1138 2276 2845 4552 5690 11380 22760 5765999219 11531998438 23063996876 28829996095 46127993752 57659992190 115319984380 230639968760 3280853555611 6561707111222 13123414222444 16404267778055 26246828444888 32808535556110 65617071112220 131234142224440