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12201403013442 = 2321739873866057
BaseRepresentation
bin1011000110001101110001…
…0010101101100101000010
31121012102221202101020220200
42301203130102231211002
53044401433132412232
641541125215350030
72366344066252506
oct261433422554502
947172852336820
1012201403013442
113984649a02845
121450869222316
136a67835a4016
143027a0158306
151625be63277c
hexb18dc4ad942

12201403013442 has 24 divisors (see below), whose sum is σ = 27991453972716. Its totient is φ = 3827891141376.

The previous prime is 12201403013431. The next prime is 12201403013447. The reversal of 12201403013442 is 24431030410221.

12201403013442 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 14 + 0 + 301 + 344 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10252221244281 + 1949181769161 = 3201909^2 + 1396131^2 .

It is not an unprimeable number, because it can be changed into a prime (12201403013447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19936932723 + ... + 19936933334.

Almost surely, 212201403013442 is an apocalyptic number.

12201403013442 is an abundant number, since it is smaller than the sum of its proper divisors (15790050959274).

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

12201403013442 is a wasteful number, since it uses less digits than its factorization.

12201403013442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39873866082 (or 39873866079 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12201403013442 its reverse (24431030410221), we get a palindrome (36632433423663).

The spelling of 12201403013442 in words is "twelve trillion, two hundred one billion, four hundred three million, thirteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 39873866057 79747732114 119621598171 239243196342 358864794513 677855722969 717729589026 1355711445938 2033567168907 4067134337814 6100701506721 12201403013442