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12301311 = 311438669
BaseRepresentation
bin101110111011…
…001111111111
3212010222020010
4232323033333
511122120221
61115354303
7206362611
oct56731777
925128203
1012301311
116a42180
124152993
1327191a9
1418c2db1
15112ec76
hexbbb3ff

12301311 has 16 divisors (see below), whose sum is σ = 18311040. Its totient is φ = 7281120.

The previous prime is 12301309. The next prime is 12301339. The reversal of 12301311 is 11310321.

It is not a de Polignac number, because 12301311 - 21 = 12301309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2916 + ... + 5753.

It is an arithmetic number, because the mean of its divisors is an integer number (1144440).

Almost surely, 212301311 is an apocalyptic number.

12301311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12301311 is a deficient number, since it is larger than the sum of its proper divisors (6009729).

12301311 is a wasteful number, since it uses less digits than its factorization.

12301311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 12301311 is about 3507.3224830346. The cubic root of 12301311 is about 230.8432248958.

Adding to 12301311 its reverse (11310321), we get a palindrome (23611632).

The spelling of 12301311 in words is "twelve million, three hundred one thousand, three hundred eleven".

Divisors: 1 3 11 33 43 129 473 1419 8669 26007 95359 286077 372767 1118301 4100437 12301311