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13141224321220 = 225657061216061
BaseRepresentation
bin1011111100111010111000…
…0000011111000011000100
31201112021210111222101000001
42333032232000133003010
53210301211411234340
643540554535531044
72524264534463332
oct277165600370304
951467714871001
1013141224321220
1142071865a1556
121582a35529a84
1374429b0a8b28
143360780b4b52
1517bc77aea29a
hexbf3ae01f0c4

13141224321220 has 12 divisors (see below), whose sum is σ = 27596571074604. Its totient is φ = 5256489728480.

The previous prime is 13141224321191. The next prime is 13141224321319. The reversal of 13141224321220 is 2212342214131.

13141224321220 is digitally balanced in base 2, 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 7139498496256 + 6001725824964 = 2671984^2 + 2449842^2 .

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, 328530608011 + ... + 328530608050.

It is an arithmetic number, because the mean of its divisors is an integer number (2299714256217).

Almost surely, 213141224321220 is an apocalyptic number.

13141224321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13141224321220 is an abundant number, since it is smaller than the sum of its proper divisors (14455346753384).

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

13141224321220 is a wasteful number, since it uses less digits than its factorization.

13141224321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657061216070 (or 657061216068 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 13141224321220 its reverse (2212342214131), we get a palindrome (15353566535351).

The spelling of 13141224321220 in words is "thirteen trillion, one hundred forty-one billion, two hundred twenty-four million, three hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 657061216061 1314122432122 2628244864244 3285306080305 6570612160610 13141224321220