Base | Representation |
---|---|
bin | 100100010101011010… |
… | …0101010100001110110 |
3 | 21110101220011222121221 |
4 | 1020222310222201312 |
5 | 2234300113010321 |
6 | 55502343500554 |
7 | 5431413603361 |
oct | 1105264524166 |
9 | 243356158557 |
10 | 78027860086 |
11 | 30100769190 |
12 | 1315745775a |
13 | 7486693717 |
14 | 3ac2c930d8 |
15 | 206a2b0e41 |
hex | 122ad2a876 |
78027860086 has 8 divisors (see below), whose sum is σ = 127681952904. Its totient is φ = 35467209120.
The previous prime is 78027860083. The next prime is 78027860137. The reversal of 78027860086 is 68006872087.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78027860083) 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 3 ways as a sum of consecutive naturals, for example, 1773360435 + ... + 1773360478.
It is an arithmetic number, because the mean of its divisors is an integer number (15960244113).
Almost surely, 278027860086 is an apocalyptic number.
78027860086 is a deficient number, since it is larger than the sum of its proper divisors (49654092818).
78027860086 is a wasteful number, since it uses less digits than its factorization.
78027860086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3546720926.
The product of its (nonzero) digits is 1806336, while the sum is 52.
The spelling of 78027860086 in words is "seventy-eight billion, twenty-seven million, eight hundred sixty thousand, eighty-six".
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