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2112531232 = 257234173137
BaseRepresentation
bin111110111101010…
…1010101100100000
312110020002201001111
41331322222230200
513311301444412
6545342513104
7103231135120
oct17572525440
95406081044
102112531232
11994517a89
124ab595794
132788878a6
141607ccc80
15c56e02a7
hex7deaab20

2112531232 has 192 divisors, whose sum is σ = 5188022784. Its totient is φ = 827228160.

The previous prime is 2112531229. The next prime is 2112531257. The reversal of 2112531232 is 2321352112.

It is a super-3 number, since 3×21125312323 (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15419868 + ... + 15420004.

It is an arithmetic number, because the mean of its divisors is an integer number (27020952).

Almost surely, 22112531232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112531232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2594011392).

2112531232 is an abundant number, since it is smaller than the sum of its proper divisors (3075491552).

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

2112531232 is a wasteful number, since it uses less digits than its factorization.

2112531232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 283 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 2112531232 is about 45962.2805352389. The cubic root of 2112531232 is about 1283.1212952580.

Adding to 2112531232 its reverse (2321352112), we get a palindrome (4433883344).

The spelling of 2112531232 in words is "two billion, one hundred twelve million, five hundred thirty-one thousand, two hundred thirty-two".