Base | Representation |
---|---|
bin | 100000110011000110… |
… | …0100011011000010000 |
3 | 20201210200002010111101 |
4 | 1001212030203120100 |
5 | 2123222103342113 |
6 | 52205033554144 |
7 | 5042264330221 |
oct | 1014614433020 |
9 | 221720063441 |
10 | 70434043408 |
11 | 279641aa333 |
12 | 11798275954 |
13 | 6846348481 |
14 | 35a251d248 |
15 | 1c7379b2dd |
hex | 1066323610 |
70434043408 has 20 divisors (see below), whose sum is σ = 144493369020. Its totient is φ = 33145432064.
The previous prime is 70434043403. The next prime is 70434043487. The reversal of 70434043408 is 80434043407.
It can be written as a sum of positive squares in 2 ways, for example, as 50118672384 + 20315371024 = 223872^2 + 142532^2 .
It is not an unprimeable number, because it can be changed into a prime (70434043403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129474073 + ... + 129474616.
It is an arithmetic number, because the mean of its divisors is an integer number (7224668451).
Almost surely, 270434043408 is an apocalyptic number.
It is an amenable number.
70434043408 is an abundant number, since it is smaller than the sum of its proper divisors (74059325612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70434043408 is a wasteful number, since it uses less digits than its factorization.
70434043408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258948714 (or 258948708 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 37.
Subtracting 70434043408 from its reverse (80434043407), we obtain a palindrome (9999999999).
The spelling of 70434043408 in words is "seventy billion, four hundred thirty-four million, forty-three thousand, four hundred eight".
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