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2112457841 = 13790720551
BaseRepresentation
bin111110111101001…
…1000110001110001
312110012221222101022
41331322120301301
513311242122331
6545341145225
7103230411134
oct17572306161
95405858338
102112457841
1199447792a
124ab55b215
13278860370
141607b021b
15c56c867b
hex7de98c71

2112457841 has 8 divisors (see below), whose sum is σ = 2275353024. Its totient is φ = 1949619600.

The previous prime is 2112457813. The next prime is 2112457873. The reversal of 2112457841 is 1487542112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112457841 - 26 = 2112457777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112457141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92516 + ... + 113066.

It is an arithmetic number, because the mean of its divisors is an integer number (284419128).

Almost surely, 22112457841 is an apocalyptic number.

It is an amenable number.

2112457841 is a deficient number, since it is larger than the sum of its proper divisors (162895183).

2112457841 is a wasteful number, since it uses less digits than its factorization.

2112457841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28471.

The product of its digits is 17920, while the sum is 35.

The square root of 2112457841 is about 45961.4821453791. The cubic root of 2112457841 is about 1283.1064362042.

Adding to 2112457841 its reverse (1487542112), we get a palindrome (3599999953).

The spelling of 2112457841 in words is "two billion, one hundred twelve million, four hundred fifty-seven thousand, eight hundred forty-one".

Divisors: 1 13 7907 20551 102791 267163 162496757 2112457841