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48899891040 = 25357311133167
BaseRepresentation
bin101101100010101010…
…010001111101100000
311200012220202211211120
4231202222101331200
51300121333003130
634244142212240
73350533134000
oct554252217540
9150186684746
1048899891040
11198137939a0
129588584080
1347c3b81590
14251c5a4000
151412edb910
hexb62a91f60

48899891040 has 1536 divisors, whose sum is σ = 221095526400. Its totient is φ = 8941363200.

The previous prime is 48899891039. The next prime is 48899891057. The reversal of 48899891040 is 4019899884.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

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 255 ways as a sum of consecutive naturals, for example, 729849087 + ... + 729849153.

It is an arithmetic number, because the mean of its divisors is an integer number (143942400).

Almost surely, 248899891040 is an apocalyptic number.

48899891040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48899891040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110547763200).

48899891040 is an abundant number, since it is smaller than the sum of its proper divisors (172195635360).

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

48899891040 is a wasteful number, since it uses less digits than its factorization.

48899891040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 60.

It can be divided in two parts, 48899 and 891040, that added together give a palindrome (939939).

The spelling of 48899891040 in words is "forty-eight billion, eight hundred ninety-nine million, eight hundred ninety-one thousand, forty".