Search a number
-
+
2000716745 = 5400143349
BaseRepresentation
bin111011101000000…
…1000001111001001
312011102200221102012
41313100020033021
513044140413440
6530310145305
7100402545266
oct16720101711
95142627365
102000716745
11937397115
1247a052235
1325b668681
1414da0426d
15ba9a4e65
hex774083c9

2000716745 has 4 divisors (see below), whose sum is σ = 2400860100. Its totient is φ = 1600573392.

The previous prime is 2000716741. The next prime is 2000716807. The reversal of 2000716745 is 5476170002.

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 1190802064 + 809914681 = 34508^2 + 28459^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000716745 - 22 = 2000716741 is a prime.

It is a super-5 number, since 5×20007167455 (a number of 48 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (2000716741) 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, 200071670 + ... + 200071679.

It is an arithmetic number, because the mean of its divisors is an integer number (600215025).

Almost surely, 22000716745 is an apocalyptic number.

It is an amenable number.

2000716745 is a deficient number, since it is larger than the sum of its proper divisors (400143355).

2000716745 is an equidigital number, since it uses as much as digits as its factorization.

2000716745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400143354.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2000716745 is about 44729.3722848868. The cubic root of 2000716745 is about 1260.0715389381.

Adding to 2000716745 its reverse (5476170002), we get a palindrome (7476886747).

The spelling of 2000716745 in words is "two billion, seven hundred sixteen thousand, seven hundred forty-five".

Divisors: 1 5 400143349 2000716745