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2112144113 = 67732771559
BaseRepresentation
bin111110111100100…
…1100001011110001
312110012101001000202
41331321030023301
513311202102423
6545330324545
7103224633362
oct17571141361
95405331022
102112144113
11994283152
124ab429755
13278780621
1416072bb69
15c5665728
hex7de4c2f1

2112144113 has 16 divisors (see below), whose sum is σ = 2182277760. Its totient is φ = 2043398016.

The previous prime is 2112144103. The next prime is 2112144143. The reversal of 2112144113 is 3114412112.

It is a cyclic number.

It is not a de Polignac number, because 2112144113 - 218 = 2111881969 is a prime.

It is a super-2 number, since 2×21121441132 = 8922305508161113538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112144103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1354028 + ... + 1355586.

It is an arithmetic number, because the mean of its divisors is an integer number (136392360).

Almost surely, 22112144113 is an apocalyptic number.

It is an amenable number.

2112144113 is a deficient number, since it is larger than the sum of its proper divisors (70133647).

2112144113 is a wasteful number, since it uses less digits than its factorization.

2112144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

The product of its digits is 192, while the sum is 20.

The square root of 2112144113 is about 45958.0690738852. The cubic root of 2112144113 is about 1283.0429136196.

Adding to 2112144113 its reverse (3114412112), we get a palindrome (5226556225).

The spelling of 2112144113 in words is "two billion, one hundred twelve million, one hundred forty-four thousand, one hundred thirteen".

Divisors: 1 67 73 277 1559 4891 18559 20221 104453 113807 431843 1354807 7625069 28933481 31524539 2112144113