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2013645412 = 221074704779
BaseRepresentation
bin111100000000101…
…1100101001100100
312012100000210012201
41320001130221210
513110443123122
6531451224244
7100620463222
oct17001345144
95170023181
102013645412
11943717669
12482448084
1326124427c
1415160bb12
15bbbaaa27
hex7805ca64

2013645412 has 12 divisors (see below), whose sum is σ = 3556813680. Its totient is φ = 997412936.

The previous prime is 2013645401. The next prime is 2013645463. The reversal of 2013645412 is 2145463102.

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 3 ways as a sum of consecutive naturals, for example, 2351962 + ... + 2352817.

It is an arithmetic number, because the mean of its divisors is an integer number (296401140).

Almost surely, 22013645412 is an apocalyptic number.

It is an amenable number.

2013645412 is a deficient number, since it is larger than the sum of its proper divisors (1543168268).

2013645412 is a wasteful number, since it uses less digits than its factorization.

2013645412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704890 (or 4704888 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2013645412 is about 44873.6605593972. The cubic root of 2013645412 is about 1262.7799149560.

The spelling of 2013645412 in words is "two billion, thirteen million, six hundred forty-five thousand, four hundred twelve".

Divisors: 1 2 4 107 214 428 4704779 9409558 18819116 503411353 1006822706 2013645412