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12441216201361 = 23895207708749
BaseRepresentation
bin1011010100001011001001…
…0001011011001010010001
31122001100221202012102220121
42311002302101123022101
53112314102321420421
642243225452310241
72422563635600623
oct265026221331221
948040852172817
1012441216201361
113a67321227332
12148b236172381
136c328105804c
1431022da98c13
15168957e8bd41
hexb50b245b291

12441216201361 has 4 divisors (see below), whose sum is σ = 12446423912500. Its totient is φ = 12436008490224.

The previous prime is 12441216201301. The next prime is 12441216201461. The reversal of 12441216201361 is 16310261214421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2124073056400 + 10317143144961 = 1457420^2 + 3212031^2 .

It is a cyclic number.

It is not a de Polignac number, because 12441216201361 - 29 = 12441216200849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12441216201301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603851986 + ... + 2603856763.

It is an arithmetic number, because the mean of its divisors is an integer number (3111605978125).

Almost surely, 212441216201361 is an apocalyptic number.

It is an amenable number.

12441216201361 is a deficient number, since it is larger than the sum of its proper divisors (5207711139).

12441216201361 is an equidigital number, since it uses as much as digits as its factorization.

12441216201361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207711138.

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 12441216201361 its reverse (16310261214421), we get a palindrome (28751477415782).

The spelling of 12441216201361 in words is "twelve trillion, four hundred forty-one billion, two hundred sixteen million, two hundred one thousand, three hundred sixty-one".

Divisors: 1 2389 5207708749 12441216201361