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2013302140 = 22543254443
BaseRepresentation
bin111100000000000…
…1000110101111100
312012022101100022221
41320000020311330
513110401132030
6531440015124
7100614533353
oct17000106574
95168340287
102013302140
11943502773
124823014a4
13261153c55
1415155c99a
15bbb3de7a
hex78008d7c

2013302140 has 36 divisors (see below), whose sum is σ = 4328624664. Its totient is φ = 786578016.

The previous prime is 2013302131. The next prime is 2013302147. The reversal of 2013302140 is 412033102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013302147) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9759 + ... + 64201.

It is an arithmetic number, because the mean of its divisors is an integer number (120239574).

Almost surely, 22013302140 is an apocalyptic number.

2013302140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013302140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2164312332).

2013302140 is an abundant number, since it is smaller than the sum of its proper divisors (2315322524).

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

2013302140 is a wasteful number, since it uses less digits than its factorization.

2013302140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54538 (or 54493 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2013302140 is about 44869.8355245481. The cubic root of 2013302140 is about 1262.7081542877.

Adding to 2013302140 its reverse (412033102), we get a palindrome (2425335242).

The spelling of 2013302140 in words is "two billion, thirteen million, three hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 1849 3698 7396 9245 18490 36980 54443 108886 217772 272215 544430 1088860 2341049 4682098 9364196 11705245 23410490 46820980 100665107 201330214 402660428 503325535 1006651070 2013302140