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13011200211 = 323712655889
BaseRepresentation
bin11000001111000011…
…10010100011010011
31020120202212110021010
430013201302203103
5203121331401321
65551031102003
7640300243212
oct140741624323
936522773233
1013011200211
115577535329
122631511903
1312c47c3949
148b6043079
15512415676
hex3078728d3

13011200211 has 16 divisors (see below), whose sum is σ = 18357511680. Its totient is φ = 8180135040.

The previous prime is 13011200177. The next prime is 13011200219. The reversal of 13011200211 is 11200211031.

It is not a de Polignac number, because 13011200211 - 211 = 13011198163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13011200219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323046 + ... + 1332843.

It is an arithmetic number, because the mean of its divisors is an integer number (1147344480).

Almost surely, 213011200211 is an apocalyptic number.

13011200211 is a deficient number, since it is larger than the sum of its proper divisors (5346311469).

13011200211 is a wasteful number, since it uses less digits than its factorization.

13011200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655986.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 13011200211 its reverse (11200211031), we get a palindrome (24211411242).

The spelling of 13011200211 in words is "thirteen billion, eleven million, two hundred thousand, two hundred eleven".

Divisors: 1 3 23 69 71 213 1633 4899 2655889 7967667 61085447 183256341 188568119 565704357 4337066737 13011200211