Base | Representation |
---|---|
bin | 101011110010101100… |
… | …001000010001000111 |
3 | 11111100222220221000121 |
4 | 223302230020101013 |
5 | 1232244424434211 |
6 | 33333514122411 |
7 | 3253142455111 |
oct | 536254102107 |
9 | 144328827017 |
10 | 47021327431 |
11 | 18a3a34a291 |
12 | 9143420407 |
13 | 4584914b90 |
14 | 23c0cba3b1 |
15 | 1353115271 |
hex | af2b08447 |
47021327431 has 8 divisors (see below), whose sum is σ = 50803302704. Its totient is φ = 43262916480.
The previous prime is 47021327417. The next prime is 47021327447. The reversal of 47021327431 is 13472312074.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47021327431 - 25 = 47021327399 is a prime.
It is a super-2 number, since 2×470213274312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47021327491) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5886930 + ... + 5894911.
It is an arithmetic number, because the mean of its divisors is an integer number (6350412838).
Almost surely, 247021327431 is an apocalyptic number.
47021327431 is a deficient number, since it is larger than the sum of its proper divisors (3781975273).
47021327431 is a wasteful number, since it uses less digits than its factorization.
47021327431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11782161.
The product of its (nonzero) digits is 28224, while the sum is 34.
The spelling of 47021327431 in words is "forty-seven billion, twenty-one million, three hundred twenty-seven thousand, four hundred thirty-one".
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