Base | Representation |
---|---|
bin | 1001010011000100… |
… | …01110011000100000 |
3 | 110212212221222002012 |
4 | 10221202032120200 |
5 | 40210400224320 |
6 | 2143155412052 |
7 | 234462433142 |
oct | 45142163040 |
9 | 13785858065 |
10 | 4991804960 |
11 | 213181aa4a |
12 | b738b4028 |
13 | 61724c75c |
14 | 354d6ac92 |
15 | 1e33884c5 |
hex | 12988e620 |
4991804960 has 24 divisors (see below), whose sum is σ = 11793139596. Its totient is φ = 1996721920.
The previous prime is 4991804933. The next prime is 4991804971. The reversal of 4991804960 is 694081994.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 4991705104 + 99856 = 70652^2 + 316^2 .
It is a junction number, because it is equal to n+sod(n) for n = 4991804899 and 4991804908.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15599231 + ... + 15599550.
Almost surely, 24991804960 is an apocalyptic number.
4991804960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
4991804960 is an abundant number, since it is smaller than the sum of its proper divisors (6801334636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4991804960 is a wasteful number, since it uses less digits than its factorization.
4991804960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31198796 (or 31198788 counting only the distinct ones).
The product of its (nonzero) digits is 559872, while the sum is 50.
The square root of 4991804960 is about 70652.7066714362. The cubic root of 4991804960 is about 1709.0412143938.
The spelling of 4991804960 in words is "four billion, nine hundred ninety-one million, eight hundred four thousand, nine hundred sixty".
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