Base | Representation |
---|---|
bin | 1100000101010100… |
… | …00001110010011001 |
3 | 121202002110220021200 |
4 | 12002222001302121 |
5 | 101241134211440 |
6 | 2551411224413 |
7 | 316516532520 |
oct | 60252016231 |
9 | 17662426250 |
10 | 6487022745 |
11 | 2829834225 |
12 | 13105a8109 |
13 | 7c4c590c8 |
14 | 4577874b7 |
15 | 27e78ac30 |
hex | 182a81c99 |
6487022745 has 96 divisors (see below), whose sum is σ = 13092817920. Its totient is φ = 2909934720.
The previous prime is 6487022723. The next prime is 6487022761. The reversal of 6487022745 is 5472207846.
It is a happy number.
It is not a de Polignac number, because 6487022745 - 26 = 6487022681 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 6487022745.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7998390 + ... + 7999200.
It is an arithmetic number, because the mean of its divisors is an integer number (136383520).
Almost surely, 26487022745 is an apocalyptic number.
It is an amenable number.
6487022745 is an abundant number, since it is smaller than the sum of its proper divisors (6605795175).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6487022745 is a wasteful number, since it uses less digits than its factorization.
6487022745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1275 (or 1272 counting only the distinct ones).
The product of its (nonzero) digits is 752640, while the sum is 45.
The square root of 6487022745 is about 80542.0557535006. The cubic root of 6487022745 is about 1865.0127573776.
The spelling of 6487022745 in words is "six billion, four hundred eighty-seven million, twenty-two thousand, seven hundred forty-five".
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