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2011143132 = 223279707153
BaseRepresentation
bin111011111011111…
…1001101111011100
312012011022122201200
41313313321233130
513104323040012
6531321435500
7100560302025
oct16767715734
95164278650
102011143132
11942268669
1248163bb90
1326087932b
14151159c4c
15bb8643dc
hex77df9bdc

2011143132 has 36 divisors (see below), whose sum is σ = 5148081120. Its totient is φ = 661894272.

The previous prime is 2011143131. The next prime is 2011143139. The reversal of 2011143132 is 2313411102.

2011143132 is a `hidden beast` number, since 201 + 1 + 1 + 431 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011143131) 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 11 ways as a sum of consecutive naturals, for example, 350733 + ... + 356420.

Almost surely, 22011143132 is an apocalyptic number.

It is an amenable number.

2011143132 is an abundant number, since it is smaller than the sum of its proper divisors (3136937988).

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

2011143132 is a wasteful number, since it uses less digits than its factorization.

2011143132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707242 (or 707237 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2011143132 is about 44845.7705029136. The cubic root of 2011143132 is about 1262.2566287347.

Adding to 2011143132 its reverse (2313411102), we get a palindrome (4324554234).

The spelling of 2011143132 in words is "two billion, eleven million, one hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 79 158 237 316 474 711 948 1422 2844 707153 1414306 2121459 2828612 4242918 6364377 8485836 12728754 25457508 55865087 111730174 167595261 223460348 335190522 502785783 670381044 1005571566 2011143132