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2013243344 = 247192693517
BaseRepresentation
bin111011111111111…
…1010011111010000
312012022021100200022
41313333322133100
513110342241334
6531434443012
7100614200060
oct16777723720
95168240608
102013243344
11943472582
12482293468
13261133268
141515453a0
15bbb2b82e
hex77ffa7d0

2013243344 has 80 divisors (see below), whose sum is σ = 4711305600. Its totient is φ = 814136832.

The previous prime is 2013243341. The next prime is 2013243389. The reversal of 2013243344 is 4433423102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013243341) 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, 570674 + ... + 574190.

It is an arithmetic number, because the mean of its divisors is an integer number (58891320).

Almost surely, 22013243344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013243344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2355652800).

2013243344 is an abundant number, since it is smaller than the sum of its proper divisors (2698062256).

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

2013243344 is a wasteful number, since it uses less digits than its factorization.

2013243344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820 (or 3814 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2013243344 is about 44869.1803357271. The cubic root of 2013243344 is about 1262.6958622245.

Adding to 2013243344 its reverse (4433423102), we get a palindrome (6446666446).

The spelling of 2013243344 in words is "two billion, thirteen million, two hundred forty-three thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 269 304 532 538 1064 1076 1883 2128 2152 3517 3766 4304 5111 7034 7532 10222 14068 15064 20444 24619 28136 30128 35777 40888 49238 56272 66823 71554 81776 98476 133646 143108 196952 267292 286216 393904 467761 534584 572432 935522 946073 1069168 1871044 1892146 3742088 3784292 6622511 7484176 7568584 13245022 15137168 17975387 26490044 35950774 52980088 71901548 105960176 125827709 143803096 251655418 287606192 503310836 1006621672 2013243344