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11131103210213 = 72429295291653
BaseRepresentation
bin1010000111111010100101…
…1100111110101011100101
31110102010022201110210211202
42201332221130332223211
52424332444410211323
635401320324212245
72226124054114100
oct241765134765345
943363281423752
1011131103210213
113601746636218
1212b9347b3a085
13629873a3179c
142a6a69377737
1514482b2d9d28
hexa1fa973eae5

11131103210213 has 12 divisors (see below), whose sum is σ = 12948730254540. Its totient is φ = 9540721556352.

The previous prime is 11131103210167. The next prime is 11131103210219. The reversal of 11131103210213 is 31201230113111.

It can be written as a sum of positive squares in 2 ways, for example, as 578234013889 + 10552869196324 = 760417^2 + 3248518^2 .

It is not a de Polignac number, because 11131103210213 - 234 = 11113923341029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131103210219) 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, 542306 + ... + 4749347.

It is an arithmetic number, because the mean of its divisors is an integer number (1079060854545).

Almost surely, 211131103210213 is an apocalyptic number.

It is an amenable number.

11131103210213 is a deficient number, since it is larger than the sum of its proper divisors (1817627044327).

11131103210213 is an equidigital number, since it uses as much as digits as its factorization.

11131103210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334596 (or 5334589 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11131103210213 its reverse (31201230113111), we get a palindrome (42332333323324).

The spelling of 11131103210213 in words is "eleven trillion, one hundred thirty-one billion, one hundred three million, two hundred ten thousand, two hundred thirteen".

Divisors: 1 7 49 42929 300503 2103521 5291653 37041571 259290997 227165371637 1590157601459 11131103210213