Base | Representation |
---|---|
bin | 111111000010101001… |
… | …000111010001001100 |
3 | 20110201102210200112021 |
4 | 333002221013101030 |
5 | 2102112124121040 |
6 | 51032453015524 |
7 | 4614265035112 |
oct | 770251072114 |
9 | 213642720467 |
10 | 67690067020 |
11 | 26786307254 |
12 | 111513245a4 |
13 | 64c9a052c4 |
14 | 33c1d1dab2 |
15 | 1b6292b24a |
hex | fc2a4744c |
67690067020 has 24 divisors (see below), whose sum is σ = 142445923200. Its totient is φ = 27019496832.
The previous prime is 67690067009. The next prime is 67690067041. The reversal of 67690067020 is 2076009676.
It is a happy number.
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, 3523305 + ... + 3542464.
It is an arithmetic number, because the mean of its divisors is an integer number (5935246800).
Almost surely, 267690067020 is an apocalyptic number.
It is an amenable number.
67690067020 is an abundant number, since it is smaller than the sum of its proper divisors (74755856180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67690067020 is a wasteful number, since it uses less digits than its factorization.
67690067020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7066257 (or 7066255 counting only the distinct ones).
The product of its (nonzero) digits is 190512, while the sum is 43.
The spelling of 67690067020 in words is "sixty-seven billion, six hundred ninety million, sixty-seven thousand, twenty".
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