Base | Representation |
---|---|
bin | 111100011001000110… |
… | …001010010111011010 |
3 | 20012101012100111211020 |
4 | 330121012022113122 |
5 | 2030300430231122 |
6 | 45442321143310 |
7 | 4453635060453 |
oct | 743106122732 |
9 | 205335314736 |
10 | 64845555162 |
11 | 25556697403 |
12 | 1069878ab36 |
13 | 61655c19ab |
14 | 31d223012a |
15 | 1a47d4cc5c |
hex | f1918a5da |
64845555162 has 32 divisors (see below), whose sum is σ = 134239617024. Its totient is φ = 20860902000.
The previous prime is 64845555143. The next prime is 64845555163. The reversal of 64845555162 is 26155554846.
64845555162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (64845555163) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406714 + ... + 543237.
It is an arithmetic number, because the mean of its divisors is an integer number (4194988032).
Almost surely, 264845555162 is an apocalyptic number.
64845555162 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
64845555162 is an abundant number, since it is smaller than the sum of its proper divisors (69394061862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64845555162 is a wasteful number, since it uses less digits than its factorization.
64845555162 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 950354.
The product of its digits is 5760000, while the sum is 51.
The spelling of 64845555162 in words is "sixty-four billion, eight hundred forty-five million, five hundred fifty-five thousand, one hundred sixty-two".
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