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2013718385 = 572911931663
BaseRepresentation
bin111100000000110…
…1110011101110001
312012100011111022102
41320001232131301
513111002442020
6531452550145
7100621216040
oct17001563561
95170144272
102013718385
11943767478
12482482355
1326126b553
1415162a557
15bbbc2475
hex7806e771

2013718385 has 32 divisors (see below), whose sum is σ = 2861015040. Its totient is φ = 1331301888.

The previous prime is 2013718373. The next prime is 2013718409. The reversal of 2013718385 is 5838173102.

It is a happy number.

It is not a de Polignac number, because 2013718385 - 222 = 2009524081 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1210064 + ... + 1211726.

It is an arithmetic number, because the mean of its divisors is an integer number (89406720).

Almost surely, 22013718385 is an apocalyptic number.

It is an amenable number.

2013718385 is a deficient number, since it is larger than the sum of its proper divisors (847296655).

2013718385 is a wasteful number, since it uses less digits than its factorization.

2013718385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 2013718385 is about 44874.4736459382. The cubic root of 2013718385 is about 1262.7951688375.

The spelling of 2013718385 in words is "two billion, thirteen million, seven hundred eighteen thousand, three hundred eighty-five".

Divisors: 1 5 7 29 35 145 203 1015 1193 1663 5965 8315 8351 11641 34597 41755 48227 58205 172985 241135 242179 337589 1210895 1687945 1983959 9919795 13887713 57534811 69438565 287674055 402743677 2013718385