Base | Representation |
---|---|
bin | 100111100010011101… |
… | …001010011010101000 |
3 | 11001120200200201110021 |
4 | 213202131022122220 |
5 | 1143421211020240 |
6 | 31300400330224 |
7 | 3032023025413 |
oct | 474235123250 |
9 | 131520621407 |
10 | 42454001320 |
11 | 170061a4605 |
12 | 8289913974 |
13 | 40075c7953 |
14 | 20aa486b7a |
15 | 118717854a |
hex | 9e274a6a8 |
42454001320 has 32 divisors (see below), whose sum is σ = 98815350600. Its totient is φ = 16396027648.
The previous prime is 42454001273. The next prime is 42454001363. The reversal of 42454001320 is 2310045424.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 22433449284 + 20020552036 = 149778^2 + 141494^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18297979 + ... + 18300298.
Almost surely, 242454001320 is an apocalyptic number.
42454001320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42454001320 is an abundant number, since it is smaller than the sum of its proper divisors (56361349280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42454001320 is a wasteful number, since it uses less digits than its factorization.
42454001320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36598317 (or 36598313 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 25.
Adding to 42454001320 its reverse (2310045424), we get a palindrome (44764046744).
The spelling of 42454001320 in words is "forty-two billion, four hundred fifty-four million, one thousand, three hundred twenty".
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