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2013023200 = 255213718367
BaseRepresentation
bin111011111111100…
…0100101111100000
312012021212011200211
41313333010233200
513110313220300
6531430023504
7100612262206
oct16777045740
95167764624
102013023200
11943332141
124821a7b94
13261086cb6
141514c9076
15bbad64ba
hex77fc4be0

2013023200 has 72 divisors (see below), whose sum is σ = 4950433152. Its totient is φ = 799288320.

The previous prime is 2013023179. The next prime is 2013023203. The reversal of 2013023200 is 23203102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013023203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100417 + ... + 118783.

It is an arithmetic number, because the mean of its divisors is an integer number (68756016).

Almost surely, 22013023200 is an apocalyptic number.

2013023200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013023200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2475216576).

2013023200 is an abundant number, since it is smaller than the sum of its proper divisors (2937409952).

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

2013023200 is a wasteful number, since it uses less digits than its factorization.

2013023200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18524 (or 18511 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2013023200 is about 44866.7270925794. The cubic root of 2013023200 is about 1262.6498361523.

Adding to 2013023200 its reverse (23203102), we get a palindrome (2036226302).

The spelling of 2013023200 in words is "two billion, thirteen million, twenty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 137 160 200 274 400 548 685 800 1096 1370 2192 2740 3425 4384 5480 6850 10960 13700 18367 21920 27400 36734 54800 73468 91835 109600 146936 183670 293872 367340 459175 587744 734680 918350 1469360 1836700 2516279 2938720 3673400 5032558 7346800 10065116 12581395 14693600 20130232 25162790 40260464 50325580 62906975 80520928 100651160 125813950 201302320 251627900 402604640 503255800 1006511600 2013023200