Base | Representation |
---|---|
bin | 101011111111111000… |
… | …100001110001011110 |
3 | 11111221102102212122011 |
4 | 223333320201301132 |
5 | 1233223111301223 |
6 | 33411502341434 |
7 | 3261501111061 |
oct | 537770416136 |
9 | 144842385564 |
10 | 47242681438 |
11 | 19043297887 |
12 | 91a558a87a |
13 | 45bb737994 |
14 | 240245a8d8 |
15 | 136778b80d |
hex | affe21c5e |
47242681438 has 8 divisors (see below), whose sum is σ = 70891191360. Its totient is φ = 23612284320.
The previous prime is 47242681429. The next prime is 47242681489. The reversal of 47242681438 is 83418624274.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 47242681391 and 47242681400.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4521678 + ... + 4532113.
It is an arithmetic number, because the mean of its divisors is an integer number (8861398920).
Almost surely, 247242681438 is an apocalyptic number.
47242681438 is a deficient number, since it is larger than the sum of its proper divisors (23648509922).
47242681438 is a wasteful number, since it uses less digits than its factorization.
47242681438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9056402.
The product of its digits is 2064384, while the sum is 49.
The spelling of 47242681438 in words is "forty-seven billion, two hundred forty-two million, six hundred eighty-one thousand, four hundred thirty-eight".
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