Base | Representation |
---|---|
bin | 100101010101010010… |
… | …001001001001100010 |
3 | 10211110121222122212102 |
4 | 211111102021021202 |
5 | 1124043343300330 |
6 | 30225351530402 |
7 | 2616233225042 |
oct | 452522111142 |
9 | 124417878772 |
10 | 40085525090 |
11 | 16000263336 |
12 | 7928689a02 |
13 | 3a1a9c8720 |
14 | 1d23ab1722 |
15 | 109927c945 |
hex | 955489262 |
40085525090 has 64 divisors (see below), whose sum is σ = 80815311360. Its totient is φ = 14218364160.
The previous prime is 40085525047. The next prime is 40085525113. The reversal of 40085525090 is 9052558004.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327245 + ... + 432735.
It is an arithmetic number, because the mean of its divisors is an integer number (1262739240).
Almost surely, 240085525090 is an apocalyptic number.
40085525090 is an abundant number, since it is smaller than the sum of its proper divisors (40729786270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40085525090 is a wasteful number, since it uses less digits than its factorization.
40085525090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105627.
The product of its (nonzero) digits is 72000, while the sum is 38.
The spelling of 40085525090 in words is "forty billion, eighty-five million, five hundred twenty-five thousand, ninety".
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