Base | Representation |
---|---|
bin | 111110110110011011… |
… | …001011100101111001 |
3 | 20110012011002200100012 |
4 | 332312123023211321 |
5 | 2101202140304441 |
6 | 51000251351305 |
7 | 4606225533023 |
oct | 766633134571 |
9 | 213164080305 |
10 | 67485088121 |
11 | 26690633600 |
12 | 110b4752535 |
13 | 64963c6a09 |
14 | 33a2a03013 |
15 | 1b4e93b9eb |
hex | fb66cb979 |
67485088121 has 6 divisors (see below), whose sum is σ = 74177824266. Its totient is φ = 61350080000.
The previous prime is 67485088093. The next prime is 67485088123. The reversal of 67485088121 is 12188058476.
It can be written as a sum of positive squares in only one way, i.e., 60301678096 + 7183410025 = 245564^2 + 84755^2 .
It is not a de Polignac number, because 67485088121 - 210 = 67485087097 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 67485088121.
It is not an unprimeable number, because it can be changed into a prime (67485088123) 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 5 ways as a sum of consecutive naturals, for example, 278863880 + ... + 278864121.
It is an arithmetic number, because the mean of its divisors is an integer number (12362970711).
Almost surely, 267485088121 is an apocalyptic number.
It is an amenable number.
67485088121 is a deficient number, since it is larger than the sum of its proper divisors (6692736145).
67485088121 is a wasteful number, since it uses less digits than its factorization.
67485088121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 557728023 (or 557728012 counting only the distinct ones).
The product of its (nonzero) digits is 860160, while the sum is 50.
The spelling of 67485088121 in words is "sixty-seven billion, four hundred eighty-five million, eighty-eight thousand, one hundred twenty-one".
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