Base | Representation |
---|---|
bin | 101100000010010001… |
… | …111000110101010000 |
3 | 11112001020002101001222 |
4 | 230002101320311100 |
5 | 1233313404241140 |
6 | 33415500144212 |
7 | 3262466611346 |
oct | 540221706520 |
9 | 145036071058 |
10 | 47282883920 |
11 | 19063a56578 |
12 | 91b6b38068 |
13 | 45c6b7272c |
14 | 2407923996 |
15 | 136b07d5b5 |
hex | b02478d50 |
47282883920 has 80 divisors (see below), whose sum is σ = 113616442368. Its totient is φ = 18280872960.
The previous prime is 47282883871. The next prime is 47282883953. The reversal of 47282883920 is 2938828274.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×472828839202 (a number of 22 digits) contains 22 as substring.
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, 2114237 + ... + 2136483.
Almost surely, 247282883920 is an apocalyptic number.
47282883920 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 47282883920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56808221184).
47282883920 is an abundant number, since it is smaller than the sum of its proper divisors (66333558448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47282883920 is a wasteful number, since it uses less digits than its factorization.
47282883920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23148 (or 23142 counting only the distinct ones).
The product of its (nonzero) digits is 3096576, while the sum is 53.
The spelling of 47282883920 in words is "forty-seven billion, two hundred eighty-two million, eight hundred eighty-three thousand, nine hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •