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13112220202 = 211815551321
BaseRepresentation
bin11000011011000110…
…01001101000101010
31020211210221210122021
430031203021220222
5203323212021302
610005040215054
7642635014144
oct141543115052
936753853567
1013112220202
115619563124
12265b30a48a
13130c7037a3
148c561bc94
1551b21c437
hex30d8c9a2a

13112220202 has 8 divisors (see below), whose sum is σ = 19684987812. Its totient is φ = 6550557600.

The previous prime is 13112220161. The next prime is 13112220217. The reversal of 13112220202 is 20202221131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10485555201 + 2626665001 = 102399^2 + 51251^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2773299 + ... + 2778022.

Almost surely, 213112220202 is an apocalyptic number.

13112220202 is a deficient number, since it is larger than the sum of its proper divisors (6572767610).

13112220202 is a wasteful number, since it uses less digits than its factorization.

13112220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552504.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13112220202 its reverse (20202221131), we get a palindrome (33314441333).

The spelling of 13112220202 in words is "thirteen billion, one hundred twelve million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 1181 2362 5551321 11102642 6556110101 13112220202