Base | Representation |
---|---|
bin | 101011111010000101… |
… | …111101011000111101 |
3 | 11111200122122112110000 |
4 | 223322011331120331 |
5 | 1233023224223013 |
6 | 33354112304513 |
7 | 3256211320260 |
oct | 537205753075 |
9 | 144618575400 |
10 | 47145539133 |
11 | 18aa3478390 |
12 | 9178b42139 |
13 | 45a4584b24 |
14 | 23d35b0cd7 |
15 | 135de9d973 |
hex | afa17d63d |
47145539133 has 80 divisors (see below), whose sum is σ = 90638254080. Its totient is φ = 23701053600.
The previous prime is 47145539131. The next prime is 47145539149. The reversal of 47145539133 is 33193554174.
47145539133 is a `hidden beast` number, since 4 + 7 + 1 + 4 + 553 + 91 + 3 + 3 = 666.
It is not a de Polignac number, because 47145539133 - 21 = 47145539131 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47145539131) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 71428 + ... + 315266.
It is an arithmetic number, because the mean of its divisors is an integer number (1132978176).
Almost surely, 247145539133 is an apocalyptic number.
It is an amenable number.
47145539133 is a deficient number, since it is larger than the sum of its proper divisors (43492714947).
47145539133 is a wasteful number, since it uses less digits than its factorization.
47145539133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 243900 (or 243891 counting only the distinct ones).
The product of its digits is 680400, while the sum is 45.
The spelling of 47145539133 in words is "forty-seven billion, one hundred forty-five million, five hundred thirty-nine thousand, one hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •