Base | Representation |
---|---|
bin | 111110011001111010… |
… | …101010001001100001 |
3 | 20101221211010011001011 |
4 | 332121322222021201 |
5 | 2044212220103411 |
6 | 50441004140521 |
7 | 4561330256305 |
oct | 763172521141 |
9 | 211854104034 |
10 | 67006800481 |
11 | 26465656a65 |
12 | 10ba0537741 |
13 | 641b2a458a |
14 | 335929dd05 |
15 | 1b22961c21 |
hex | f99eaa261 |
67006800481 has 2 divisors, whose sum is σ = 67006800482. Its totient is φ = 67006800480.
The previous prime is 67006800439. The next prime is 67006800491. The reversal of 67006800481 is 18400860076.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 62005482081 + 5001318400 = 249009^2 + 70720^2 .
It is a cyclic number.
It is not a de Polignac number, because 67006800481 - 219 = 67006276193 is a prime.
It is a super-2 number, since 2×670068004812 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (67006800401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33503400240 + 33503400241.
It is an arithmetic number, because the mean of its divisors is an integer number (33503400241).
Almost surely, 267006800481 is an apocalyptic number.
It is an amenable number.
67006800481 is a deficient number, since it is larger than the sum of its proper divisors (1).
67006800481 is an equidigital number, since it uses as much as digits as its factorization.
67006800481 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64512, while the sum is 40.
The spelling of 67006800481 in words is "sixty-seven billion, six million, eight hundred thousand, four hundred eighty-one".
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