Base | Representation |
---|---|
bin | 11101010111001101010010… |
… | …00110101010000110100110 |
3 | 22110121202002020100200020010 |
4 | 32223212221012222012212 |
5 | 31430344434044034330 |
6 | 345154343121351050 |
7 | 16412651002131324 |
oct | 1653465106520646 |
9 | 273552066320203 |
10 | 64569080455590 |
11 | 19634658671987 |
12 | 72a9b06498486 |
13 | 2a04ab85919c9 |
14 | 11d3235708d14 |
15 | 76e8cb1b43b0 |
hex | 3ab9a91aa1a6 |
64569080455590 has 64 divisors (see below), whose sum is σ = 169739408295360. Its totient is φ = 15646760263680.
The previous prime is 64569080455567. The next prime is 64569080455597. The reversal of 64569080455590 is 9555408096546.
64569080455590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64569080455597) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2182847971 + ... + 2182877550.
It is an arithmetic number, because the mean of its divisors is an integer number (2652178254615).
Almost surely, 264569080455590 is an apocalyptic number.
64569080455590 is an abundant number, since it is smaller than the sum of its proper divisors (105170327839770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64569080455590 is a wasteful number, since it uses less digits than its factorization.
64569080455590 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4365725577.
The product of its (nonzero) digits is 233280000, while the sum is 66.
The spelling of 64569080455590 in words is "sixty-four trillion, five hundred sixty-nine billion, eighty million, four hundred fifty-five thousand, five hundred ninety".
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