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2112425541 = 3378237983
BaseRepresentation
bin111110111101001…
…0000111001000101
312110012220100002000
41331322100321011
513311240104131
6545340335513
7103230215022
oct17572207105
95405810060
102112425541
11994455636
124ab544599
1327884b755
141607a2549
15c56bdce6
hex7de90e45

2112425541 has 8 divisors (see below), whose sum is σ = 3129519360. Its totient is φ = 1408283676.

The previous prime is 2112425537. The next prime is 2112425543. The reversal of 2112425541 is 1455242112.

It is a happy number.

2112425541 is a `hidden beast` number, since 2 + 112 + 4 + 2 + 5 + 541 = 666.

It is not a de Polignac number, because 2112425541 - 22 = 2112425537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 78237983 = 2112425541 / (2 + 1 + 1 + 2 + 4 + 2 + 5 + 5 + 4 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112425543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39118965 + ... + 39119018.

It is an arithmetic number, because the mean of its divisors is an integer number (391189920).

Almost surely, 22112425541 is an apocalyptic number.

It is an amenable number.

2112425541 is a deficient number, since it is larger than the sum of its proper divisors (1017093819).

2112425541 is an equidigital number, since it uses as much as digits as its factorization.

2112425541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78237992 (or 78237986 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2112425541 is about 45961.1307628522. The cubic root of 2112425541 is about 1283.0998964999.

Adding to 2112425541 its reverse (1455242112), we get a palindrome (3567667653).

It can be divided in two parts, 21124 and 25541, that added together give a triangular number (46665 = T305).

The spelling of 2112425541 in words is "two billion, one hundred twelve million, four hundred twenty-five thousand, five hundred forty-one".

Divisors: 1 3 9 27 78237983 234713949 704141847 2112425541