Base | Representation |
---|---|
bin | 101011111100101100… |
… | …010101111001001111 |
3 | 11111210200201110201120 |
4 | 223330230111321033 |
5 | 1233120410433112 |
6 | 33402311212023 |
7 | 3260251126362 |
oct | 537454257117 |
9 | 144720643646 |
10 | 47189155407 |
11 | 19016058999 |
12 | 918b677013 |
13 | 45b0616684 |
14 | 23d92c60d9 |
15 | 1362c16e8c |
hex | afcb15e4f |
47189155407 has 16 divisors (see below), whose sum is σ = 69516506880. Its totient is φ = 28321538432.
The previous prime is 47189155367. The next prime is 47189155427. The reversal of 47189155407 is 70455198174.
It is a cyclic number.
It is not a de Polignac number, because 47189155407 - 211 = 47189153359 is a prime.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a self number, because there is not a number n which added to its sum of digits gives 47189155407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47189155427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20113557 + ... + 20115902.
It is an arithmetic number, because the mean of its divisors is an integer number (4344781680).
Almost surely, 247189155407 is an apocalyptic number.
47189155407 is a deficient number, since it is larger than the sum of its proper divisors (22327351473).
47189155407 is a wasteful number, since it uses less digits than its factorization.
47189155407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40229502.
The product of its (nonzero) digits is 1411200, while the sum is 51.
The spelling of 47189155407 in words is "forty-seven billion, one hundred eighty-nine million, one hundred fifty-five thousand, four hundred seven".
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