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13112232211 = 131935226079
BaseRepresentation
bin11000011011000110…
…01100100100010011
31020211210222102010001
430031203030210103
5203323212412321
610005040350431
7642635064151
oct141543144423
936753872101
1013112232211
115619571151
12265b315417
13130c7090b0
148c56223d1
1551b220c91
hex30d8cc913

13112232211 has 8 divisors (see below), whose sum is σ = 14194033280. Its totient is φ = 12040883712.

The previous prime is 13112232191. The next prime is 13112232227. The reversal of 13112232211 is 11223221131.

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

It is not a de Polignac number, because 13112232211 - 27 = 13112232083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112232241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610531 + ... + 2615548.

It is an arithmetic number, because the mean of its divisors is an integer number (1774254160).

Almost surely, 213112232211 is an apocalyptic number.

13112232211 is a deficient number, since it is larger than the sum of its proper divisors (1081801069).

13112232211 is a wasteful number, since it uses less digits than its factorization.

13112232211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5226285.

The product of its digits is 144, while the sum is 19.

Adding to 13112232211 its reverse (11223221131), we get a palindrome (24335453342).

The spelling of 13112232211 in words is "thirteen billion, one hundred twelve million, two hundred thirty-two thousand, two hundred eleven".

Divisors: 1 13 193 2509 5226079 67939027 1008633247 13112232211