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12344442143 = 112102020183
BaseRepresentation
bin10110111111100100…
…10011110100011111
31011212022020122010212
423133302103310133
5200240134122033
65400532123035
7614623012145
oct133762236437
934768218125
1012344442143
115265130100
12248616647b
131219623047
1485167d595
154c3b0c748
hex2dfc93d1f

12344442143 has 6 divisors (see below), whose sum is σ = 13568684472. Its totient is φ = 11222220020.

The previous prime is 12344442031. The next prime is 12344442179. The reversal of 12344442143 is 34124444321.

It is not a de Polignac number, because 12344442143 - 218 = 12344179999 is a prime.

It is a super-3 number, since 3×123444421433 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344441143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51009971 + ... + 51010212.

It is an arithmetic number, because the mean of its divisors is an integer number (2261447412).

Almost surely, 212344442143 is an apocalyptic number.

12344442143 is a deficient number, since it is larger than the sum of its proper divisors (1224242329).

12344442143 is a wasteful number, since it uses less digits than its factorization.

12344442143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102020205 (or 102020194 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 12344442143 its reverse (34124444321), we get a palindrome (46468886464).

The spelling of 12344442143 in words is "twelve billion, three hundred forty-four million, four hundred forty-two thousand, one hundred forty-three".

Divisors: 1 11 121 102020183 1122222013 12344442143