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113441221220 = 2255672061061
BaseRepresentation
bin110100110100110011…
…1111010101001100100
3101211210220200010102212
41221221213322221210
53324311423034340
6124040355022552
711124115320245
oct1515147725144
9354726603385
10113441221220
1144123680598
1219b9b29aa58
13a90b426392
1456c2240ccc
152e3e293a65
hex1a699faa64

113441221220 has 12 divisors (see below), whose sum is σ = 238226564604. Its totient is φ = 45376488480.

The previous prime is 113441221169. The next prime is 113441221259. The reversal of 113441221220 is 22122144311.

113441221220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34290150976 + 79151070244 = 185176^2 + 281338^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2836030511 + ... + 2836030550.

It is an arithmetic number, because the mean of its divisors is an integer number (19852213717).

Almost surely, 2113441221220 is an apocalyptic number.

113441221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113441221220 is an abundant number, since it is smaller than the sum of its proper divisors (124785343384).

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

113441221220 is a wasteful number, since it uses less digits than its factorization.

113441221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672061070 (or 5672061068 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 113441221220 its reverse (22122144311), we get a palindrome (135563365531).

The spelling of 113441221220 in words is "one hundred thirteen billion, four hundred forty-one million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5672061061 11344122122 22688244244 28360305305 56720610610 113441221220