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4944722991 = 313126787769
BaseRepresentation
bin1001001101011101…
…00111110000101111
3110202121100221202120
410212232213300233
540111322113431
62134354324023
7233351311005
oct44656476057
913677327676
104944722991
11210819262a
12b5bb89613
1360a5765c0
1434c9d2a75
151de188196
hex126ba7c2f

4944722991 has 8 divisors (see below), whose sum is σ = 7100115120. Its totient is φ = 3042906432.

The previous prime is 4944722989. The next prime is 4944723023. The reversal of 4944722991 is 1992274494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4944722991 - 21 = 4944722989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4944722941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63393846 + ... + 63393923.

It is an arithmetic number, because the mean of its divisors is an integer number (887514390).

Almost surely, 24944722991 is an apocalyptic number.

4944722991 is a deficient number, since it is larger than the sum of its proper divisors (2155392129).

4944722991 is a wasteful number, since it uses less digits than its factorization.

4944722991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126787785.

The product of its digits is 1306368, while the sum is 51.

The square root of 4944722991 is about 70318.7243271662. The cubic root of 4944722991 is about 1703.6510907686.

The spelling of 4944722991 in words is "four billion, nine hundred forty-four million, seven hundred twenty-two thousand, nine hundred ninety-one".

Divisors: 1 3 13 39 126787769 380363307 1648240997 4944722991