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20040361313 = 72862908759
BaseRepresentation
bin10010101010011111…
…111010010101100001
31220201122110211120012
4102222133322111201
5312020313030223
613112330254305
71306422155240
oct225237722541
956648424505
1020040361313
118554297085
123a73587395
131b74b69a7b
14d817d0957
157c458ec78
hex4aa7fa561

20040361313 has 4 divisors (see below), whose sum is σ = 22903270080. Its totient is φ = 17177452548.

The previous prime is 20040361307. The next prime is 20040361337. The reversal of 20040361313 is 31316304002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20040361313 - 210 = 20040360289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20040361303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431454373 + ... + 1431454386.

It is an arithmetic number, because the mean of its divisors is an integer number (5725817520).

Almost surely, 220040361313 is an apocalyptic number.

It is an amenable number.

20040361313 is a deficient number, since it is larger than the sum of its proper divisors (2862908767).

20040361313 is an equidigital number, since it uses as much as digits as its factorization.

20040361313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862908766.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20040361313 its reverse (31316304002), we get a palindrome (51356665315).

The spelling of 20040361313 in words is "twenty billion, forty million, three hundred sixty-one thousand, three hundred thirteen".

Divisors: 1 7 2862908759 20040361313