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13023312111 = 351726311987
BaseRepresentation
bin11000010000011111…
…11111100011101111
31020121121122210200000
430020033333203233
5203132431441421
65552142435343
7640505216655
oct141017774357
936547583600
1013023312111
115583358167
122635592b53
1312c7174854
148b78b6dd5
15513509226
hex3083ff8ef

13023312111 has 48 divisors (see below), whose sum is σ = 20735979264. Its totient is φ = 8139740544.

The previous prime is 13023312047. The next prime is 13023312121. The reversal of 13023312111 is 11121332031.

13023312111 is a `hidden beast` number, since 1 + 302 + 331 + 21 + 11 = 666.

It is not a de Polignac number, because 13023312111 - 26 = 13023312047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023312121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1080460 + ... + 1092446.

It is an arithmetic number, because the mean of its divisors is an integer number (431999568).

Almost surely, 213023312111 is an apocalyptic number.

13023312111 is a deficient number, since it is larger than the sum of its proper divisors (7712667153).

13023312111 is a wasteful number, since it uses less digits than its factorization.

13023312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12282 (or 12270 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13023312111 its reverse (11121332031), we get a palindrome (24144644142).

The spelling of 13023312111 in words is "thirteen billion, twenty-three million, three hundred twelve thousand, one hundred eleven".

Divisors: 1 3 9 17 27 51 81 153 243 263 459 789 1377 2367 4131 4471 7101 11987 13413 21303 35961 40239 63909 107883 120717 203779 323649 362151 611337 970947 1086453 1834011 2912841 3152581 5502033 9457743 16506099 28373229 49518297 53593877 85119687 160781631 255359061 482344893 766077183 1447034679 4341104037 13023312111