Base | Representation |
---|---|
bin | 101100011101101100… |
… | …101110011111111101 |
3 | 11120020021200211102110 |
4 | 230131230232133331 |
5 | 1240234140414232 |
6 | 33533252044233 |
7 | 3310053663603 |
oct | 543554563775 |
9 | 146207624373 |
10 | 47742904317 |
11 | 1927a696719 |
12 | 9305003679 |
13 | 466b26a354 |
14 | 244ca6d873 |
15 | 139664aacc |
hex | b1db2e7fd |
47742904317 has 16 divisors (see below), whose sum is σ = 63901896128. Its totient is φ = 31706484480.
The previous prime is 47742904291. The next prime is 47742904331. The reversal of 47742904317 is 71340924774.
It is not a de Polignac number, because 47742904317 - 223 = 47734515709 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 (47742904817) 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, 830838 + ... + 886440.
It is an arithmetic number, because the mean of its divisors is an integer number (3993868508).
Almost surely, 247742904317 is an apocalyptic number.
It is an amenable number.
47742904317 is a deficient number, since it is larger than the sum of its proper divisors (16158991811).
47742904317 is a wasteful number, since it uses less digits than its factorization.
47742904317 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56700.
The product of its (nonzero) digits is 1185408, while the sum is 48.
The spelling of 47742904317 in words is "forty-seven billion, seven hundred forty-two million, nine hundred four thousand, three hundred seventeen".
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