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5144049988 = 22721110123623
BaseRepresentation
bin1001100101001101…
…11111100101000100
3111021111102210222221
410302212333211010
541013334044423
62210234502124
7241321463200
oct46246774504
914244383887
105144049988
1121aa755990
12bb6894944
1363c95647c
1436b27bb00
1520190ce5d
hex1329bf944

5144049988 has 72 divisors (see below), whose sum is σ = 11537394624. Its totient is φ = 1984248000.

The previous prime is 5144049983. The next prime is 5144050019. The reversal of 5144049988 is 8899404415.

It is a super-2 number, since 2×51440499882 = 52922500558085600288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5144049983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205945 + ... + 229567.

It is an arithmetic number, because the mean of its divisors is an integer number (160241592).

Almost surely, 25144049988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5144049988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5768697312).

5144049988 is an abundant number, since it is smaller than the sum of its proper divisors (6393344636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5144049988 is a wasteful number, since it uses less digits than its factorization.

5144049988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23753 (or 23744 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 5144049988 is about 71722.0327932777. The cubic root of 5144049988 is about 1726.2421901136.

The spelling of 5144049988 in words is "five billion, one hundred forty-four million, forty-nine thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 101 154 196 202 308 404 539 707 1078 1111 1414 2156 2222 2828 4444 4949 7777 9898 15554 19796 23623 31108 47246 54439 94492 108878 165361 217756 259853 330722 519706 661444 1039412 1157527 1818971 2315054 2385923 3637942 4630108 4771846 7275884 9543692 12732797 16701461 25465594 26245153 33402922 50931188 52490306 66805844 104980612 116910227 183716071 233820454 367432142 467640908 734864284 1286012497 2572024994 5144049988