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2013444330 = 23589754099
BaseRepresentation
bin111100000000010…
…1011100011101010
312012022122120101020
41320000223203222
513110420204310
6531443033310
7100615665042
oct17000534352
95168576336
102013444330
1194359a587
1248236b836
132611a38a1
14151598722
15bbb6b170
hex7802b8ea

2013444330 has 32 divisors (see below), whose sum is σ = 4886568000. Its totient is φ = 530884992.

The previous prime is 2013444313. The next prime is 2013444331. The reversal of 2013444330 is 334443102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2013444330.

It is not an unprimeable number, because it can be changed into a prime (2013444331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374380 + ... + 379719.

It is an arithmetic number, because the mean of its divisors is an integer number (152705250).

Almost surely, 22013444330 is an apocalyptic number.

2013444330 is an abundant number, since it is smaller than the sum of its proper divisors (2873123670).

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

2013444330 is a wasteful number, since it uses less digits than its factorization.

2013444330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754198.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2013444330 is about 44871.4199686170. The cubic root of 2013444330 is about 1262.7378799545.

Adding to 2013444330 its reverse (334443102), we get a palindrome (2347887432).

The spelling of 2013444330 in words is "two billion, thirteen million, four hundred forty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 89 178 267 445 534 890 1335 2670 754099 1508198 2262297 3770495 4524594 7540990 11311485 22622970 67114811 134229622 201344433 335574055 402688866 671148110 1006722165 2013444330