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4997788605 = 325176533057
BaseRepresentation
bin1001010011110010…
…00011001110111101
3110220022012222002200
410221321003032331
540213413213410
62143531542113
7234564334155
oct45171031675
913808188080
104997788605
112135137607
12b758ba939
13618566184
14355a87765
151e3b6b3c0
hex129e433bd

4997788605 has 24 divisors (see below), whose sum is σ = 9172413432. Its totient is φ = 2508693504.

The previous prime is 4997788591. The next prime is 4997788637. The reversal of 4997788605 is 5068877994.

4997788605 is a `hidden beast` number, since 499 + 7 + 7 + 88 + 60 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2257580196 + 2740208409 = 47514^2 + 52347^2 .

It is not a de Polignac number, because 4997788605 - 29 = 4997788093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3265764 + ... + 3267293.

It is an arithmetic number, because the mean of its divisors is an integer number (382183893).

Almost surely, 24997788605 is an apocalyptic number.

4997788605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4997788605 is a deficient number, since it is larger than the sum of its proper divisors (4174624827).

4997788605 is a wasteful number, since it uses less digits than its factorization.

4997788605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533085 (or 6533082 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The square root of 4997788605 is about 70695.0394652977. The cubic root of 4997788605 is about 1709.7238140181.

The spelling of 4997788605 in words is "four billion, nine hundred ninety-seven million, seven hundred eighty-eight thousand, six hundred five".

Divisors: 1 3 5 9 15 17 45 51 85 153 255 765 6533057 19599171 32665285 58797513 97995855 111061969 293987565 333185907 555309845 999557721 1665929535 4997788605