Search a number
-
+
2988134717 = 4463366949
BaseRepresentation
bin1011001000011011…
…0101000100111101
321201020200222020012
42302012311010331
522104430302332
61212302033005
7134022504011
oct26206650475
97636628205
102988134717
1112a37a6927
126b4878765
133880bb969
14204bd8541
151274ed3b2
hexb21b513d

2988134717 has 4 divisors (see below), whose sum is σ = 2988246300. Its totient is φ = 2988023136.

The previous prime is 2988134707. The next prime is 2988134729. The reversal of 2988134717 is 7174318892.

It is a happy number.

2988134717 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 a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2740103716 + 248031001 = 52346^2 + 15749^2 .

It is a cyclic number.

It is not a de Polignac number, because 2988134717 - 214 = 2988118333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2988134707) 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, 11159 + ... + 78107.

It is an arithmetic number, because the mean of its divisors is an integer number (747061575).

It is a Poulet number, since it divides 22988134716-1.

Almost surely, 22988134717 is an apocalyptic number.

2988134717 is the 44633-rd pentagonal number.

It is an amenable number.

2988134717 is a deficient number, since it is larger than the sum of its proper divisors (111583).

2988134717 is an equidigital number, since it uses as much as digits as its factorization.

2988134717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111582.

The product of its digits is 677376, while the sum is 50.

The square root of 2988134717 is about 54663.8337202944. The cubic root of 2988134717 is about 1440.3456469972.

The spelling of 2988134717 in words is "two billion, nine hundred eighty-eight million, one hundred thirty-four thousand, seven hundred seventeen".

Divisors: 1 44633 66949 2988134717