Base | Representation |
---|---|
bin | 1011111000010001… |
… | …0101101111001000 |
3 | 22020020022021010000 |
4 | 2332010111233020 |
5 | 23012313334043 |
6 | 1244231123000 |
7 | 142010266134 |
oct | 27604255710 |
9 | 8206267100 |
10 | 3188808648 |
11 | 1396aaa153 |
12 | 74bb13460 |
13 | 3ba85092c |
14 | 2237143c4 |
15 | 139e3c2d3 |
hex | be115bc8 |
3188808648 has 80 divisors (see below), whose sum is σ = 8945046000. Its totient is φ = 1061338464.
The previous prime is 3188808617. The next prime is 3188808659. The reversal of 3188808648 is 8468088813.
3188808648 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 3188808594 and 3188808603.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 475543 + ... + 482201.
It is an arithmetic number, because the mean of its divisors is an integer number (111813075).
Almost surely, 23188808648 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 3188808648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4472523000).
3188808648 is an abundant number, since it is smaller than the sum of its proper divisors (5756237352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3188808648 is a wasteful number, since it uses less digits than its factorization.
3188808648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7416 (or 7403 counting only the distinct ones).
The product of its (nonzero) digits is 2359296, while the sum is 54.
The square root of 3188808648 is about 56469.5373453688. The cubic root of 3188808648 is about 1471.8927056818.
The spelling of 3188808648 in words is "three billion, one hundred eighty-eight million, eight hundred eight thousand, six hundred forty-eight".
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