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12442021252345 = 510912280847159
BaseRepresentation
bin1011010100001110001001…
…0000011100110011111001
31122001110000212001021020201
42311003202100130303321
53112322224420033340
642243441411322201
72422622612452216
oct265034220346371
948043025037221
1012442021252345
113a676a46a8023
12148b41b8b0361
136c337ba88c89
143102a897ab0d
151689a39b079a
hexb50e241ccf9

12442021252345 has 8 divisors (see below), whose sum is σ = 14944110592320. Its totient is φ = 9944493608880.

The previous prime is 12442021252291. The next prime is 12442021252361. The reversal of 12442021252345 is 54325212024421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12442021252345 - 211 = 12442021250297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140418125 + ... + 1140429034.

It is an arithmetic number, because the mean of its divisors is an integer number (1868013824040).

Almost surely, 212442021252345 is an apocalyptic number.

It is an amenable number.

12442021252345 is a deficient number, since it is larger than the sum of its proper divisors (2502089339975).

12442021252345 is a wasteful number, since it uses less digits than its factorization.

12442021252345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280848255.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 12442021252345 its reverse (54325212024421), we get a palindrome (66767233276766).

The spelling of 12442021252345 in words is "twelve trillion, four hundred forty-two billion, twenty-one million, two hundred fifty-two thousand, three hundred forty-five".

Divisors: 1 5 1091 5455 2280847159 11404235795 2488404250469 12442021252345