Base | Representation |
---|---|
bin | 111110001100011… |
… | …0111111100101001 |
3 | 12101102212021022021 |
4 | 1330120313330221 |
5 | 13233221123101 |
6 | 543025224441 |
7 | 102500214103 |
oct | 17430677451 |
9 | 5342767267 |
10 | 2086895401 |
11 | 980aa8448 |
12 | 4a2a92121 |
13 | 273480166 |
14 | 15b238573 |
15 | c33295a1 |
hex | 7c637f29 |
2086895401 has 4 divisors (see below), whose sum is σ = 2209653972. Its totient is φ = 1964136832.
The previous prime is 2086895399. The next prime is 2086895411. The reversal of 2086895401 is 1045986802.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 848207376 + 1238688025 = 29124^2 + 35195^2 .
It is a cyclic number.
It is not a de Polignac number, because 2086895401 - 21 = 2086895399 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2086895411) 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 in 3 ways as a sum of consecutive naturals, for example, 61379260 + ... + 61379293.
It is an arithmetic number, because the mean of its divisors is an integer number (552413493).
Almost surely, 22086895401 is an apocalyptic number.
It is an amenable number.
2086895401 is a deficient number, since it is larger than the sum of its proper divisors (122758571).
2086895401 is a wasteful number, since it uses less digits than its factorization.
2086895401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122758570.
The product of its (nonzero) digits is 138240, while the sum is 43.
The square root of 2086895401 is about 45682.5502900177. The cubic root of 2086895401 is about 1277.9098784742.
The spelling of 2086895401 in words is "two billion, eighty-six million, eight hundred ninety-five thousand, four hundred one".
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