Base | Representation |
---|---|
bin | 11110011000111100… |
… | …101001100001111000 |
3 | 10010020002121201122101 |
4 | 132120330221201320 |
5 | 1013311441303043 |
6 | 22553531233144 |
7 | 2233423165036 |
oct | 363074514170 |
9 | 103202551571 |
10 | 32630806648 |
11 | 12925270000 |
12 | 63a7ba87b4 |
13 | 310043321b |
14 | 18179c9556 |
15 | caea9224d |
hex | 798f29878 |
32630806648 has 40 divisors (see below), whose sum is σ = 67300862400. Its totient is φ = 14832131600.
The previous prime is 32630806643. The next prime is 32630806657. The reversal of 32630806648 is 84660803623.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 32630806598 and 32630806607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32630806643) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22168 + ... + 256423.
It is an arithmetic number, because the mean of its divisors is an integer number (1682521560).
Almost surely, 232630806648 is an apocalyptic number.
It is an amenable number.
32630806648 is an abundant number, since it is smaller than the sum of its proper divisors (34670055752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32630806648 is an equidigital number, since it uses as much as digits as its factorization.
32630806648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278641 (or 278604 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 46.
The spelling of 32630806648 in words is "thirty-two billion, six hundred thirty million, eight hundred six thousand, six hundred forty-eight".
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