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2013420140 = 225928110847
BaseRepresentation
bin111100000000010…
…0101101001101100
312012022121100012022
41320000211221230
513110413421030
6531442325312
7100615534364
oct17000455154
95168540168
102013420140
11943583396
12482359838
13261195884
1415158d9a4
15bbb63de5
hex78025a6c

2013420140 has 24 divisors (see below), whose sum is σ = 4229027712. Its totient is φ = 805207040.

The previous prime is 2013420137. The next prime is 2013420187. The reversal of 2013420140 is 410243102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180197 + ... + 191043.

It is an arithmetic number, because the mean of its divisors is an integer number (176209488).

Almost surely, 22013420140 is an apocalyptic number.

2013420140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013420140 is an abundant number, since it is smaller than the sum of its proper divisors (2215607572).

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

2013420140 is a wasteful number, since it uses less digits than its factorization.

2013420140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20137 (or 20135 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2013420140 is about 44871.1504198410. The cubic root of 2013420140 is about 1262.7328229897.

Adding to 2013420140 its reverse (410243102), we get a palindrome (2423663242).

The spelling of 2013420140 in words is "two billion, thirteen million, four hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 9281 10847 18562 21694 37124 43388 46405 54235 92810 108470 185620 216940 100671007 201342014 402684028 503355035 1006710070 2013420140