Base | Representation |
---|---|
bin | 101101011001010011… |
… | …010111011111100000 |
3 | 11122210222100100010111 |
4 | 231121103113133200 |
5 | 1244311134430230 |
6 | 34220413141104 |
7 | 3343615503250 |
oct | 553123273740 |
9 | 148728310114 |
10 | 48742889440 |
11 | 197430aa303 |
12 | 9543a8a794 |
13 | 479a4a081b |
14 | 25057b5960 |
15 | 140432792a |
hex | b594d77e0 |
48742889440 has 96 divisors (see below), whose sum is σ = 132075002304. Its totient is φ = 16652267520.
The previous prime is 48742889417. The next prime is 48742889441. The reversal of 48742889440 is 4498824784.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48742889441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237282 + ... + 392158.
It is an arithmetic number, because the mean of its divisors is an integer number (1375781274).
Almost surely, 248742889440 is an apocalyptic number.
48742889440 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 48742889440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66037501152).
48742889440 is an abundant number, since it is smaller than the sum of its proper divisors (83332112864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48742889440 is a wasteful number, since it uses less digits than its factorization.
48742889440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155180 (or 155172 counting only the distinct ones).
The product of its (nonzero) digits is 16515072, while the sum is 58.
The spelling of 48742889440 in words is "forty-eight billion, seven hundred forty-two million, eight hundred eighty-nine thousand, four hundred forty".
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