Base | Representation |
---|---|
bin | 111111010010000010… |
… | …100001110110110000 |
3 | 20111101102212201222002 |
4 | 333102002201312300 |
5 | 2103124241402020 |
6 | 51114241433132 |
7 | 4623552523601 |
oct | 772202416660 |
9 | 214342781862 |
10 | 67948387760 |
11 | 268a9103470 |
12 | 1120393b7a8 |
13 | 653b39c106 |
14 | 3408363da8 |
15 | 1b7a455975 |
hex | fd20a1db0 |
67948387760 has 40 divisors (see below), whose sum is σ = 172341822096. Its totient is φ = 24708504320.
The previous prime is 67948387757. The next prime is 67948387769. The reversal of 67948387760 is 6778384976.
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (67948387769) by changing a digit.
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, 38606159 + ... + 38607918.
Almost surely, 267948387760 is an apocalyptic number.
It is an amenable number.
67948387760 is an abundant number, since it is smaller than the sum of its proper divisors (104393434336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67948387760 is a wasteful number, since it uses less digits than its factorization.
67948387760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77214101 (or 77214095 counting only the distinct ones).
The product of its (nonzero) digits is 85349376, while the sum is 65.
The spelling of 67948387760 in words is "sixty-seven billion, nine hundred forty-eight million, three hundred eighty-seven thousand, seven hundred sixty".
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