Base | Representation |
---|---|
bin | 101101000001111101… |
… | …111001100010000000 |
3 | 11121210200122220000000 |
4 | 231001331321202000 |
5 | 1243010423320403 |
6 | 34113510000000 |
7 | 3331122666102 |
oct | 550175714200 |
9 | 147720586000 |
10 | 48351385728 |
11 | 19562107818 |
12 | 9454946000 |
13 | 4737345519 |
14 | 24a97c3572 |
15 | 13cec917a3 |
hex | b41f79880 |
48351385728 has 256 divisors, whose sum is σ = 146276323200. Its totient is φ = 15915294720.
The previous prime is 48351385717. The next prime is 48351385729. The reversal of 48351385728 is 82758315384.
48351385728 is a `hidden beast` number, since 4 + 8 + 35 + 1 + 38 + 572 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (48351385729) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23233648 + ... + 23235728.
Almost surely, 248351385728 is an apocalyptic number.
48351385728 is a gapful number since it is divisible by the number (48) 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 48351385728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73138161600).
48351385728 is an abundant number, since it is smaller than the sum of its proper divisors (97924937472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48351385728 is an frugal number, since it uses more digits than its factorization.
48351385728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2199 (or 2169 counting only the distinct ones).
The product of its digits is 6451200, while the sum is 54.
The spelling of 48351385728 in words is "forty-eight billion, three hundred fifty-one million, three hundred eighty-five thousand, seven hundred twenty-eight".
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