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48989010720 = 25351341419457
BaseRepresentation
bin101101100111111110…
…001111101100100000
311200110010110121001110
4231213332033230200
51300312141320340
634301044303320
73352664502066
oct554776175440
9150403417043
1048989010720
111985a023921
1295b23a1b40
134809485910
14252a362036
15141ac42680
hexb67f8fb20

48989010720 has 384 divisors, whose sum is σ = 171018812160. Its totient is φ = 11710955520.

The previous prime is 48989010683. The next prime is 48989010751. The reversal of 48989010720 is 2701098984.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 48989010720.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107196732 + ... + 107197188.

It is an arithmetic number, because the mean of its divisors is an integer number (445361490).

Almost surely, 248989010720 is an apocalyptic number.

48989010720 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 48989010720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85509406080).

48989010720 is an abundant number, since it is smaller than the sum of its proper divisors (122029801440).

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

48989010720 is a wasteful number, since it uses less digits than its factorization.

48989010720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 48989010720 in words is "forty-eight billion, nine hundred eighty-nine million, ten thousand, seven hundred twenty".