Base | Representation |
---|---|
bin | 101100011101011110… |
… | …111000001011000000 |
3 | 11120020000212101110022 |
4 | 230131132320023000 |
5 | 1240232223231140 |
6 | 33533042153012 |
7 | 3310011063422 |
oct | 543536701300 |
9 | 146200771408 |
10 | 47739273920 |
11 | 19278637098 |
12 | 9303952768 |
13 | 466a598aa0 |
14 | 244c3a6812 |
15 | 13961800b5 |
hex | b1d7b82c0 |
47739273920 has 112 divisors (see below), whose sum is σ = 122591108640. Its totient is φ = 17602707456.
The previous prime is 47739273919. The next prime is 47739273931. The reversal of 47739273920 is 2937293774.
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 15 ways as a sum of consecutive naturals, for example, 3191579 + ... + 3206501.
It is an arithmetic number, because the mean of its divisors is an integer number (1094563470).
Almost surely, 247739273920 is an apocalyptic number.
47739273920 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 47739273920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61295554320).
47739273920 is an abundant number, since it is smaller than the sum of its proper divisors (74851834720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47739273920 is a wasteful number, since it uses less digits than its factorization.
47739273920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15722 (or 15712 counting only the distinct ones).
The product of its (nonzero) digits is 4000752, while the sum is 53.
The spelling of 47739273920 in words is "forty-seven billion, seven hundred thirty-nine million, two hundred seventy-three thousand, nine hundred twenty".
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