Base | Representation |
---|---|
bin | 101011111111010010… |
… | …100100011100100101 |
3 | 11111220201201100002100 |
4 | 223333102210130211 |
5 | 1233213034342132 |
6 | 33410505202313 |
7 | 3261320405601 |
oct | 537722443445 |
9 | 144821640070 |
10 | 47232730917 |
11 | 19038710909 |
12 | 91a2190399 |
13 | 45b96627b8 |
14 | 2400dca501 |
15 | 136697337c |
hex | aff4a4725 |
47232730917 has 6 divisors (see below), whose sum is σ = 68225055782. Its totient is φ = 31488487272.
The previous prime is 47232730877. The next prime is 47232730939. The reversal of 47232730917 is 71903723274.
47232730917 is a `hidden beast` number, since 4 + 7 + 2 + 327 + 309 + 17 = 666.
It can be written as a sum of positive squares in only one way, i.e., 47119819041 + 112911876 = 217071^2 + 10626^2 .
It is not a de Polignac number, because 47232730917 - 27 = 47232730789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47232730817) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2624040598 + ... + 2624040615.
Almost surely, 247232730917 is an apocalyptic number.
It is an amenable number.
47232730917 is a deficient number, since it is larger than the sum of its proper divisors (20992324865).
47232730917 is a wasteful number, since it uses less digits than its factorization.
47232730917 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5248081219 (or 5248081216 counting only the distinct ones).
The product of its (nonzero) digits is 444528, while the sum is 45.
The spelling of 47232730917 in words is "forty-seven billion, two hundred thirty-two million, seven hundred thirty thousand, nine hundred seventeen".
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