Base | Representation |
---|---|
bin | 10101100101000110… |
… | …011000111000010000 |
3 | 2012210211100021021221 |
4 | 111211012120320100 |
5 | 334423234310224 |
6 | 14351123054424 |
7 | 1450125223126 |
oct | 254506307020 |
9 | 65724307257 |
10 | 23171010064 |
11 | 99104818a4 |
12 | 45a7b11414 |
13 | 2253636157 |
14 | 119b4c5916 |
15 | 90933e6e4 |
hex | 565198e10 |
23171010064 has 40 divisors (see below), whose sum is σ = 48313936728. Its totient is φ = 10725242880.
The previous prime is 23171010019. The next prime is 23171010077. The reversal of 23171010064 is 46001017132.
It can be written as a sum of positive squares in 4 ways, for example, as 2143690000 + 21027320064 = 46300^2 + 145008^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681667 + ... + 714850.
Almost surely, 223171010064 is an apocalyptic number.
It is an amenable number.
23171010064 is an abundant number, since it is smaller than the sum of its proper divisors (25142926664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23171010064 is a wasteful number, since it uses less digits than its factorization.
23171010064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1396603 (or 1396597 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 25.
Adding to 23171010064 its reverse (46001017132), we get a palindrome (69172027196).
The spelling of 23171010064 in words is "twenty-three billion, one hundred seventy-one million, ten thousand, sixty-four".
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