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2112288741 = 32234698749
BaseRepresentation
bin111110111100110…
…1111011111100101
312110012122101102100
41331321233133211
513311221214431
6545333402313
7103226105133
oct17571573745
95405571370
102112288741
11994371882
124ab499399
132788013c4
14160768753
15c56934e6
hex7de6f7e5

2112288741 has 6 divisors (see below), whose sum is σ = 3051083750. Its totient is φ = 1408192488.

The previous prime is 2112288719. The next prime is 2112288749. The reversal of 2112288741 is 1478822112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1408500900 + 703787841 = 37530^2 + 26529^2 .

It is not a de Polignac number, because 2112288741 - 29 = 2112288229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112288696 and 2112288705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112288749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117349366 + ... + 117349383.

Almost surely, 22112288741 is an apocalyptic number.

It is an amenable number.

2112288741 is a deficient number, since it is larger than the sum of its proper divisors (938795009).

2112288741 is a wasteful number, since it uses less digits than its factorization.

2112288741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234698755 (or 234698752 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 2112288741 is about 45959.6425247194. The cubic root of 2112288741 is about 1283.0721981894.

The spelling of 2112288741 in words is "two billion, one hundred twelve million, two hundred eighty-eight thousand, seven hundred forty-one".

Divisors: 1 3 9 234698749 704096247 2112288741