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2112032540 = 225105601627
BaseRepresentation
bin111110111100011…
…0000111100011100
312110012011100222102
41331320300330130
513311140020130
6545324104232
7103223660162
oct17570607434
95405140872
102112032540
11994207342
124ab395078
132787418c7
141606dd232
15c5642645
hex7de30f1c

2112032540 has 12 divisors (see below), whose sum is σ = 4435268376. Its totient is φ = 844813008.

The previous prime is 2112032537. The next prime is 2112032543. The reversal of 2112032540 is 452302112.

It is an interprime number because it is at equal distance from previous prime (2112032537) and next prime (2112032543).

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 105601627 = 2112032540 / (2 + 1 + 1 + 2 + 0 + 3 + 2 + 5 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112032543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52800794 + ... + 52800833.

It is an arithmetic number, because the mean of its divisors is an integer number (369605698).

Almost surely, 22112032540 is an apocalyptic number.

2112032540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112032540 is an abundant number, since it is smaller than the sum of its proper divisors (2323235836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112032540 is a wasteful number, since it uses less digits than its factorization.

2112032540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105601636 (or 105601634 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2112032540 is about 45956.8552013734. The cubic root of 2112032540 is about 1283.0203211796.

Adding to 2112032540 its reverse (452302112), we get a palindrome (2564334652).

The spelling of 2112032540 in words is "two billion, one hundred twelve million, thirty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 105601627 211203254 422406508 528008135 1056016270 2112032540