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716755513 = 1742162089
BaseRepresentation
bin101010101110001…
…101001000111001
31211221200221201111
4222232031020321
52431442134023
6155042320321
723522215135
oct5256151071
91757627644
10716755513
11338654031
121800590a1
13b5657ab6
146b29a3c5
1542dd200d
hex2ab8d239

716755513 has 4 divisors (see below), whose sum is σ = 758917620. Its totient is φ = 674593408.

The previous prime is 716755511. The next prime is 716755531. The reversal of 716755513 is 315557617.

716755513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315557617 = 833801899.

It can be written as a sum of positive squares in 2 ways, for example, as 232623504 + 484132009 = 15252^2 + 22003^2 .

It is a cyclic number.

It is not a de Polignac number, because 716755513 - 21 = 716755511 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716755511) 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, 21081028 + ... + 21081061.

It is an arithmetic number, because the mean of its divisors is an integer number (189729405).

Almost surely, 2716755513 is an apocalyptic number.

It is an amenable number.

716755513 is a deficient number, since it is larger than the sum of its proper divisors (42162107).

716755513 is a wasteful number, since it uses less digits than its factorization.

716755513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42162106.

The product of its digits is 110250, while the sum is 40.

The square root of 716755513 is about 26772.2900215876. The cubic root of 716755513 is about 894.9326387304.

The spelling of 716755513 in words is "seven hundred sixteen million, seven hundred fifty-five thousand, five hundred thirteen".

Divisors: 1 17 42162089 716755513