Base | Representation |
---|---|
bin | 100110000000010111… |
… | …101100011110101000 |
3 | 10220100000012112221011 |
4 | 212000113230132220 |
5 | 1132033422311213 |
6 | 30425213353304 |
7 | 2643161453320 |
oct | 460027543650 |
9 | 126300175834 |
10 | 40808400808 |
11 | 1634130758a |
12 | 7aaa798834 |
13 | 3b046b7136 |
14 | 1d91ac2280 |
15 | 10dc96d03d |
hex | 9805ec7a8 |
40808400808 has 32 divisors (see below), whose sum is σ = 91248600960. Its totient is φ = 16728909120.
The previous prime is 40808400791. The next prime is 40808400823. The reversal of 40808400808 is 80800480804.
It is a super-3 number, since 3×408084008083 (a number of 33 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15840483 + ... + 15843058.
It is an arithmetic number, because the mean of its divisors is an integer number (2851518780).
Almost surely, 240808400808 is an apocalyptic number.
It is an amenable number.
40808400808 is an abundant number, since it is smaller than the sum of its proper divisors (50440200152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40808400808 is a wasteful number, since it uses less digits than its factorization.
40808400808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31683577 (or 31683573 counting only the distinct ones).
The product of its (nonzero) digits is 65536, while the sum is 40.
The spelling of 40808400808 in words is "forty billion, eight hundred eight million, four hundred thousand, eight hundred eight".
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