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2013322013 = 2969424897
BaseRepresentation
bin111100000000000…
…1101101100011101
312012022102100120222
41320000031230131
513110402301023
6531440251125
7100614645323
oct17000155435
95168370528
102013322013
1194351669a
12482310aa5
13261160001
14151565d13
15bbb44cc8
hex7800db1d

2013322013 has 4 divisors (see below), whose sum is σ = 2082746940. Its totient is φ = 1943897088.

The previous prime is 2013321979. The next prime is 2013322027. The reversal of 2013322013 is 3102233102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1125401209 + 887920804 = 33547^2 + 29798^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013322013 - 214 = 2013305629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2013321982 and 2013322000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013322513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34712420 + ... + 34712477.

It is an arithmetic number, because the mean of its divisors is an integer number (520686735).

Almost surely, 22013322013 is an apocalyptic number.

It is an amenable number.

2013322013 is a deficient number, since it is larger than the sum of its proper divisors (69424927).

2013322013 is an equidigital number, since it uses as much as digits as its factorization.

2013322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69424926.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2013322013 is about 44870.0569756714. The cubic root of 2013322013 is about 1262.7123089409.

Adding to 2013322013 its reverse (3102233102), we get a palindrome (5115555115).

The spelling of 2013322013 in words is "two billion, thirteen million, three hundred twenty-two thousand, thirteen".

Divisors: 1 29 69424897 2013322013