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2013513140 = 225711417967
BaseRepresentation
bin111100000000011…
…1100010110110100
312012022210001202202
41320000330112310
513110424410030
6531444324032
7100616402462
oct17000742664
95168701682
102013513140
11943637251
124823a3618
132611c8cc2
141515b5832
15bbb81745
hex7803c5b4

2013513140 has 24 divisors (see below), whose sum is σ = 4287935232. Its totient is φ = 794060960.

The previous prime is 2013513121. The next prime is 2013513169. The reversal of 2013513140 is 413153102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707564 + ... + 710403.

It is an arithmetic number, because the mean of its divisors is an integer number (178663968).

Almost surely, 22013513140 is an apocalyptic number.

2013513140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013513140 is an abundant number, since it is smaller than the sum of its proper divisors (2274422092).

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

2013513140 is a wasteful number, since it uses less digits than its factorization.

2013513140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418047 (or 1418045 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2013513140 is about 44872.1867084723. The cubic root of 2013513140 is about 1262.7522645926.

Adding to 2013513140 its reverse (413153102), we get a palindrome (2426666242).

The spelling of 2013513140 in words is "two billion, thirteen million, five hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 1417967 2835934 5671868 7089835 14179670 28359340 100675657 201351314 402702628 503378285 1006756570 2013513140