Base | Representation |
---|---|
bin | 101100011110001111… |
… | …000000001110010000 |
3 | 11120020220121100012102 |
4 | 230132033000032100 |
5 | 1240243440433213 |
6 | 33534212415532 |
7 | 3310223236430 |
oct | 543617001620 |
9 | 146226540172 |
10 | 47751889808 |
11 | 19284773647 |
12 | 93080175a8 |
13 | 46700951cc |
14 | 244dd2c2c0 |
15 | 1397323158 |
hex | b1e3c0390 |
47751889808 has 80 divisors (see below), whose sum is σ = 106850482560. Its totient is φ = 20249914368.
The previous prime is 47751889807. The next prime is 47751889813. The reversal of 47751889808 is 80898815774.
It is not an unprimeable number, because it can be changed into a prime (47751889807) 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, 13288460 + ... + 13292052.
It is an arithmetic number, because the mean of its divisors is an integer number (1335631032).
Almost surely, 247751889808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47751889808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53425241280).
47751889808 is an abundant number, since it is smaller than the sum of its proper divisors (59098592752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47751889808 is a wasteful number, since it uses less digits than its factorization.
47751889808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4824 (or 4818 counting only the distinct ones).
The product of its (nonzero) digits is 36126720, while the sum is 65.
The spelling of 47751889808 in words is "forty-seven billion, seven hundred fifty-one million, eight hundred eighty-nine thousand, eight hundred eight".
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