Base | Representation |
---|---|
bin | 101101100001111011… |
… | …100011001010010000 |
3 | 11200012001201110120000 |
4 | 231201323203022100 |
5 | 1300110214000340 |
6 | 34243023450000 |
7 | 3350324042532 |
oct | 554173431220 |
9 | 150161643500 |
10 | 48887640720 |
11 | 19807887066 |
12 | 9584456900 |
13 | 47c1482679 |
14 | 251aad5852 |
15 | 1411dbbd30 |
hex | b61ee3290 |
48887640720 has 400 divisors, whose sum is σ = 175201107840. Its totient is φ = 12628224000.
The previous prime is 48887640709. The next prime is 48887640733. The reversal of 48887640720 is 2704678884.
It is a happy number.
48887640720 is a `hidden beast` number, since 488 + 87 + 64 + 0 + 7 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
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 79 ways as a sum of consecutive naturals, for example, 27143820 + ... + 27145620.
Almost surely, 248887640720 is an apocalyptic number.
48887640720 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 48887640720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87600553920).
48887640720 is an abundant number, since it is smaller than the sum of its proper divisors (126313467120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48887640720 is a wasteful number, since it uses less digits than its factorization.
48887640720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1956 (or 1941 counting only the distinct ones).
The product of its (nonzero) digits is 4816896, while the sum is 54.
The spelling of 48887640720 in words is "forty-eight billion, eight hundred eighty-seven million, six hundred forty thousand, seven hundred twenty".
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