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2728703713 = 3773748749
BaseRepresentation
bin1010001010100100…
…1011011011100001
321001011112111210111
42202221023123201
521042022004323
61130433331321
7124422412261
oct24251133341
97034474714
102728703713
11118031153a
12641a06b41
133464266a8
141bc5857a1
1510e854c0d
hexa2a4b6e1

2728703713 has 4 divisors (see below), whose sum is σ = 2802452500. Its totient is φ = 2654954928.

The previous prime is 2728703701. The next prime is 2728703741. The reversal of 2728703713 is 3173078272.

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 1870389504 + 858314209 = 43248^2 + 29297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2728703713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2728703743) 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, 36874338 + ... + 36874411.

It is an arithmetic number, because the mean of its divisors is an integer number (700613125).

Almost surely, 22728703713 is an apocalyptic number.

It is an amenable number.

2728703713 is a deficient number, since it is larger than the sum of its proper divisors (73748787).

2728703713 is an equidigital number, since it uses as much as digits as its factorization.

2728703713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73748786.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 2728703713 is about 52236.9956352775. The cubic root of 2728703713 is about 1397.3937418129.

The spelling of 2728703713 in words is "two billion, seven hundred twenty-eight million, seven hundred three thousand, seven hundred thirteen".

Divisors: 1 37 73748749 2728703713