Base | Representation |
---|---|
bin | 11101010011010101… |
… | …111010001101010011 |
3 | 10000012201020012020120 |
4 | 131103111322031103 |
5 | 1003414013222233 |
6 | 22242013441323 |
7 | 2162453200215 |
oct | 352325721523 |
9 | 100181205216 |
10 | 31463023443 |
11 | 12386069215 |
12 | 6120aa0243 |
13 | 2c7550ba47 |
14 | 17468845b5 |
15 | c422bc4b3 |
hex | 75357a353 |
31463023443 has 16 divisors (see below), whose sum is σ = 43780045056. Its totient is φ = 20060900640.
The previous prime is 31463023421. The next prime is 31463023453. The reversal of 31463023443 is 34432036413.
It is not a de Polignac number, because 31463023443 - 218 = 31462761299 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31463023453) 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, 653721 + ... + 700197.
It is an arithmetic number, because the mean of its divisors is an integer number (2736252816).
Almost surely, 231463023443 is an apocalyptic number.
31463023443 is a deficient number, since it is larger than the sum of its proper divisors (12317021613).
31463023443 is a wasteful number, since it uses less digits than its factorization.
31463023443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56314.
The product of its (nonzero) digits is 62208, while the sum is 33.
Adding to 31463023443 its reverse (34432036413), we get a palindrome (65895059856).
The spelling of 31463023443 in words is "thirty-one billion, four hundred sixty-three million, twenty-three thousand, four hundred forty-three".
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