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13112322212 = 2211298007323
BaseRepresentation
bin11000011011000111…
…00010100010100100
31020211211010222120102
430031203202202210
5203323223302322
610005042323232
7642635620433
oct141543424244
936754128512
1013112322212
115619622830
12265b359518
13130c73b052
148c564711a
1551b23c792
hex30d8e28a4

13112322212 has 12 divisors (see below), whose sum is σ = 25032615216. Its totient is φ = 5960146440.

The previous prime is 13112322211. The next prime is 13112322227. The reversal of 13112322212 is 21222321131.

It is not an unprimeable number, because it can be changed into a prime (13112322211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149003618 + ... + 149003705.

It is an arithmetic number, because the mean of its divisors is an integer number (2086051268).

Almost surely, 213112322212 is an apocalyptic number.

It is an amenable number.

13112322212 is a deficient number, since it is larger than the sum of its proper divisors (11920293004).

13112322212 is a wasteful number, since it uses less digits than its factorization.

13112322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298007338 (or 298007336 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 13112322212 its reverse (21222321131), we get a palindrome (34334643343).

The spelling of 13112322212 in words is "thirteen billion, one hundred twelve million, three hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 298007323 596014646 1192029292 3278080553 6556161106 13112322212