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2043131123 = 11192514513
BaseRepresentation
bin111100111000111…
…1011010011110011
312021101111211000002
41321301323103303
513141020143443
6534423220215
7101426220335
oct17161732363
95241454002
102043131123
11959326720
124902a766b
13267399137
141554c5455
15be5822b8
hex79c7b4f3

2043131123 has 12 divisors (see below), whose sum is σ = 2352358008. Its totient is φ = 1759631040.

The previous prime is 2043131117. The next prime is 2043131131. The reversal of 2043131123 is 3211313402.

It is not a de Polignac number, because 2043131123 - 214 = 2043114739 is a prime.

It is a super-2 number, since 2×20431311232 = 8348769571542482258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2043131095 and 2043131104.

It is not an unprimeable number, because it can be changed into a prime (2043131183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253286 + ... + 261227.

It is an arithmetic number, because the mean of its divisors is an integer number (196029834).

Almost surely, 22043131123 is an apocalyptic number.

2043131123 is a deficient number, since it is larger than the sum of its proper divisors (309226885).

2043131123 is a wasteful number, since it uses less digits than its factorization.

2043131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514562 (or 514543 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2043131123 is about 45201.0079865483. The cubic root of 2043131123 is about 1268.9136809769.

Adding to 2043131123 its reverse (3211313402), we get a palindrome (5254444525).

The spelling of 2043131123 in words is "two billion, forty-three million, one hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 11 19 209 361 3971 514513 5659643 9775747 107533217 185739193 2043131123