Base | Representation |
---|---|
bin | 10101110001100100001000… |
… | …00000000100001111010001 |
3 | 20021112112010110012022121110 |
4 | 22320302010000010033101 |
5 | 22234001340031310211 |
6 | 245500531010243533 |
7 | 13041253143543552 |
oct | 1270620400041721 |
9 | 207475113168543 |
10 | 47882510025681 |
11 | 14290949684681 |
12 | 5453b4b8865a9 |
13 | 20943bc004156 |
14 | bb7750d12329 |
15 | 580802237ea6 |
hex | 2b8c840043d1 |
47882510025681 has 4 divisors (see below), whose sum is σ = 63843346700912. Its totient is φ = 31921673350452.
The previous prime is 47882510025677. The next prime is 47882510025733. The reversal of 47882510025681 is 18652001528874.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 47882510025681 - 22 = 47882510025677 is a prime.
It is a super-2 number, since 2×478825100256812 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47882510025671) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7980418337611 + ... + 7980418337616.
It is an arithmetic number, because the mean of its divisors is an integer number (15960836675228).
Almost surely, 247882510025681 is an apocalyptic number.
It is an amenable number.
47882510025681 is a deficient number, since it is larger than the sum of its proper divisors (15960836675231).
47882510025681 is a wasteful number, since it uses less digits than its factorization.
47882510025681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15960836675230.
The product of its (nonzero) digits is 8601600, while the sum is 57.
The spelling of 47882510025681 in words is "forty-seven trillion, eight hundred eighty-two billion, five hundred ten million, twenty-five thousand, six hundred eighty-one".
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