Base | Representation |
---|---|
bin | 10010010011000000100011… |
… | …11011111001111100100000 |
3 | 12021110110222222100202002012 |
4 | 21021200101323321330200 |
5 | 20233204403430423230 |
6 | 221323543015412052 |
7 | 11321631356456432 |
oct | 1111402173717440 |
9 | 167413888322065 |
10 | 40235554545440 |
11 | 11902891669521 |
12 | 4619b05984028 |
13 | 195b27297c9b7 |
14 | 9d15a85ba652 |
15 | 49b944761395 |
hex | 249811ef9f20 |
40235554545440 has 48 divisors (see below), whose sum is σ = 98334307887480. Its totient is φ = 15539248650240.
The previous prime is 40235554545421. The next prime is 40235554545443. The reversal of 40235554545440 is 4454545553204.
It can be written as a sum of positive squares in 4 ways, for example, as 32538947221264 + 7696607324176 = 5704292^2 + 2774276^2 .
It is not an unprimeable number, because it can be changed into a prime (40235554545443) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4335723221 + ... + 4335732500.
Almost surely, 240235554545440 is an apocalyptic number.
40235554545440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
40235554545440 is an abundant number, since it is smaller than the sum of its proper divisors (58098753342040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40235554545440 is a wasteful number, since it uses less digits than its factorization.
40235554545440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8671455765 (or 8671455757 counting only the distinct ones).
The product of its (nonzero) digits is 19200000, while the sum is 50.
The spelling of 40235554545440 in words is "forty trillion, two hundred thirty-five billion, five hundred fifty-four million, five hundred forty-five thousand, four hundred forty".
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