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13221212102 = 276115481513
BaseRepresentation
bin11000101000000101…
…11010111111000110
31021010102001011102022
430110002322333012
5204034112241402
610023532243142
7645430306610
oct142402727706
937112034368
1013221212102
11567503637a
12268b9104b2
131329175037
148d5caddb0
15525a9b2a2
hex3140bafc6

13221212102 has 16 divisors (see below), whose sum is σ = 23036492832. Its totient is φ = 5573344320.

The previous prime is 13221212057. The next prime is 13221212113. The reversal of 13221212102 is 20121212231.

13221212102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7739903 + ... + 7741610.

It is an arithmetic number, because the mean of its divisors is an integer number (1439780802).

Almost surely, 213221212102 is an apocalyptic number.

13221212102 is a deficient number, since it is larger than the sum of its proper divisors (9815280730).

13221212102 is a wasteful number, since it uses less digits than its factorization.

13221212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15481583.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13221212102 its reverse (20121212231), we get a palindrome (33342424333).

The spelling of 13221212102 in words is "thirteen billion, two hundred twenty-one million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 7 14 61 122 427 854 15481513 30963026 108370591 216741182 944372293 1888744586 6610606051 13221212102