Base | Representation |
---|---|
bin | 100101100010111111… |
… | …011100100101001000 |
3 | 10212001122201211221200 |
4 | 211202333130211020 |
5 | 1130031232124333 |
6 | 30304245104200 |
7 | 2625025065234 |
oct | 454277344510 |
9 | 125048654850 |
10 | 40315504968 |
11 | 16109062652 |
12 | 79916b8060 |
13 | 3a5654b7ab |
14 | 1d464595c4 |
15 | 10ae559c13 |
hex | 962fdc948 |
40315504968 has 36 divisors (see below), whose sum is σ = 109192440435. Its totient is φ = 13437933744.
The previous prime is 40315504963. The next prime is 40315504987. The reversal of 40315504968 is 86940551304.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
40315504968 is a `hidden beast` number, since 4 + 0 + 3 + 1 + 550 + 4 + 96 + 8 = 666.
40315504968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 20157752484 + 20157752484 = 141978^2 + 141978^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=141978.
It is not an unprimeable number, because it can be changed into a prime (40315504961) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1691905 + ... + 1715567.
Almost surely, 240315504968 is an apocalyptic number.
It is an amenable number.
40315504968 is an abundant number, since it is smaller than the sum of its proper divisors (68876935467).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40315504968 is an frugal number, since it uses more digits than its factorization.
40315504968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47338 (or 23668 counting only the distinct ones).
The product of its (nonzero) digits is 518400, while the sum is 45.
The spelling of 40315504968 in words is "forty billion, three hundred fifteen million, five hundred four thousand, nine hundred sixty-eight".
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