Base | Representation |
---|---|
bin | 1000010111110110100… |
… | …10011000000110101001 |
3 | 1000111120011201012100001 |
4 | 10023323102120012221 |
5 | 14203134014140243 |
6 | 340054324543001 |
7 | 26533033305112 |
oct | 4137322300651 |
9 | 1014504635301 |
10 | 287683740073 |
11 | 101007a75994 |
12 | 47908851a61 |
13 | 211892c5342 |
14 | dcd151b209 |
15 | 773b2bba4d |
hex | 42fb4981a9 |
287683740073 has 8 divisors (see below), whose sum is σ = 291774873600. Its totient is φ = 283593696960.
The previous prime is 287683740049. The next prime is 287683740079. The reversal of 287683740073 is 370047386782.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 287683740073 - 221 = 287681642921 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 287683739996 and 287683740023.
It is not an unprimeable number, because it can be changed into a prime (287683740079) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266328 + ... + 803926.
It is an arithmetic number, because the mean of its divisors is an integer number (36471859200).
Almost surely, 2287683740073 is an apocalyptic number.
It is an amenable number.
287683740073 is a deficient number, since it is larger than the sum of its proper divisors (4091133527).
287683740073 is an equidigital number, since it uses as much as digits as its factorization.
287683740073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 545207.
The product of its (nonzero) digits is 9483264, while the sum is 55.
The spelling of 287683740073 in words is "two hundred eighty-seven billion, six hundred eighty-three million, seven hundred forty thousand, seventy-three".
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