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2738231313 = 3912743771
BaseRepresentation
bin1010001100110110…
…0001100000010001
321001211110120012120
42203031201200101
521101441400223
61131413444453
7124566403446
oct24315414021
97054416176
102738231313
111185729794
12645040729
133483b121c
141bd9459cd
151105d7be3
hexa3361811

2738231313 has 4 divisors (see below), whose sum is σ = 3650975088. Its totient is φ = 1825487540.

The previous prime is 2738231297. The next prime is 2738231317. The reversal of 2738231313 is 3131328372.

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 2738231313 - 24 = 2738231297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2738231317) 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, 456371883 + ... + 456371888.

It is an arithmetic number, because the mean of its divisors is an integer number (912743772).

Almost surely, 22738231313 is an apocalyptic number.

It is an amenable number.

2738231313 is a deficient number, since it is larger than the sum of its proper divisors (912743775).

2738231313 is an equidigital number, since it uses as much as digits as its factorization.

2738231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912743774.

The product of its digits is 18144, while the sum is 33.

The square root of 2738231313 is about 52328.1120718109. The cubic root of 2738231313 is about 1399.0182424805.

Adding to 2738231313 its reverse (3131328372), we get a palindrome (5869559685).

The spelling of 2738231313 in words is "two billion, seven hundred thirty-eight million, two hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 3 912743771 2738231313