Base | Representation |
---|---|
bin | 101011110101000100… |
… | …100011111000101101 |
3 | 11111110210010001111002 |
4 | 223311010203320231 |
5 | 1232340142131240 |
6 | 33341502410045 |
7 | 3254136222515 |
oct | 536504437055 |
9 | 144423101432 |
10 | 47061286445 |
11 | 18a5a962068 |
12 | 9154890925 |
13 | 458cc95b74 |
14 | 23c631c845 |
15 | 13568a9d15 |
hex | af5123e2d |
47061286445 has 16 divisors (see below), whose sum is σ = 56584829232. Its totient is φ = 37574906880.
The previous prime is 47061286417. The next prime is 47061286477. The reversal of 47061286445 is 54468216074.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 1095212836 + 45966073609 = 33094^2 + 214397^2 .
It is not a de Polignac number, because 47061286445 - 224 = 47044509229 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 47061286445.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 8723669 + ... + 8729061.
It is an arithmetic number, because the mean of its divisors is an integer number (3536551827).
Almost surely, 247061286445 is an apocalyptic number.
It is an amenable number.
47061286445 is a deficient number, since it is larger than the sum of its proper divisors (9523542787).
47061286445 is a wasteful number, since it uses less digits than its factorization.
47061286445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8512.
The product of its (nonzero) digits is 1290240, while the sum is 47.
The spelling of 47061286445 in words is "forty-seven billion, sixty-one million, two hundred eighty-six thousand, four hundred forty-five".
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