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2013021332 = 227231331307
BaseRepresentation
bin111011111111100…
…0100010010010100
312012021212002010122
41313333010102110
513110313140312
6531430011112
7100612253600
oct16777042224
95167762118
102013021332
119433307a3
124821a6a98
132610861aa
141514c8500
15bbad5b72
hex77fc4494

2013021332 has 36 divisors (see below), whose sum is σ = 4230140544. Its totient is φ = 834891120.

The previous prime is 2013021331. The next prime is 2013021343. The reversal of 2013021332 is 2331203102.

It is a self number, because there is not a number n which added to its sum of digits gives 2013021332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013021331) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 159578 + ... + 171729.

It is an arithmetic number, because the mean of its divisors is an integer number (117503904).

Almost surely, 22013021332 is an apocalyptic number.

It is an amenable number.

2013021332 is an abundant number, since it is smaller than the sum of its proper divisors (2217119212).

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

2013021332 is a wasteful number, since it uses less digits than its factorization.

2013021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331356 (or 331347 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2013021332 is about 44866.7062753664. The cubic root of 2013021332 is about 1262.6494455904.

Adding to 2013021332 its reverse (2331203102), we get a palindrome (4344224434).

The spelling of 2013021332 in words is "two billion, thirteen million, twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 31 49 62 98 124 196 217 434 868 1519 3038 6076 331307 662614 1325228 2319149 4638298 9276596 10270517 16234043 20541034 32468086 41082068 64936172 71893619 143787238 287574476 503255333 1006510666 2013021332