Base | Representation |
---|---|
bin | 101100100101001111… |
… | …111001101111100000 |
3 | 11120120010000220110221 |
4 | 230211033321233200 |
5 | 1241014102102140 |
6 | 33554014532424 |
7 | 3313152411451 |
oct | 544517715740 |
9 | 146503026427 |
10 | 47869565920 |
11 | 19335138430 |
12 | 933b507114 |
13 | 468b587447 |
14 | 2461801128 |
15 | 13a281a14a |
hex | b253f9be0 |
47869565920 has 96 divisors (see below), whose sum is σ = 123728018400. Its totient is φ = 17357015040.
The previous prime is 47869565897. The next prime is 47869565951. The reversal of 47869565920 is 2956596874.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575274 + ... + 653206.
It is an arithmetic number, because the mean of its divisors is an integer number (1288833525).
Almost surely, 247869565920 is an apocalyptic number.
47869565920 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 47869565920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61864009200).
47869565920 is an abundant number, since it is smaller than the sum of its proper divisors (75858452480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47869565920 is a wasteful number, since it uses less digits than its factorization.
47869565920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78308 (or 78300 counting only the distinct ones).
The product of its (nonzero) digits is 32659200, while the sum is 61.
The spelling of 47869565920 in words is "forty-seven billion, eight hundred sixty-nine million, five hundred sixty-five thousand, nine hundred twenty".
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