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3013121313 = 32601557057
BaseRepresentation
bin1011001110011000…
…1001010100100001
321202222201102101200
42303212021110201
522132324340223
61214553351413
7134445052146
oct26346112441
97688642350
103013121313
111306912704
12701108569
13390329a27
142082603cd
151297d6a43
hexb3989521

3013121313 has 12 divisors (see below), whose sum is σ = 4359535908. Its totient is φ = 2005401600.

The previous prime is 3013121281. The next prime is 3013121369. The reversal of 3013121313 is 3131213103.

It is a happy number.

3013121313 is a `hidden beast` number, since 301 + 31 + 21 + 313 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 992439009 + 2020682304 = 31503^2 + 44952^2 .

It is not a de Polignac number, because 3013121313 - 25 = 3013121281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3013121113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273120 + ... + 283937.

It is an arithmetic number, because the mean of its divisors is an integer number (363294659).

Almost surely, 23013121313 is an apocalyptic number.

It is an amenable number.

3013121313 is a deficient number, since it is larger than the sum of its proper divisors (1346414595).

3013121313 is a wasteful number, since it uses less digits than its factorization.

3013121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557664 (or 557661 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3013121313 is about 54891.9057147773. The cubic root of 3013121313 is about 1444.3492019553.

Adding to 3013121313 its reverse (3131213103), we get a palindrome (6144334416).

The spelling of 3013121313 in words is "three billion, thirteen million, one hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 3 9 601 1803 5409 557057 1671171 5013513 334791257 1004373771 3013121313