Base | Representation |
---|---|
bin | 110100100100100011010111… |
… | …110111011011111100110001 |
3 | 1010022122111012102101122022211 |
4 | 310210203113313123330301 |
5 | 220301122144041041423 |
6 | 2135424313533532121 |
7 | 66462251541512641 |
oct | 6444432767337461 |
9 | 1108574172348284 |
10 | 231210301112113 |
11 | 67741813379494 |
12 | 21b22132044041 |
13 | 9c020651a032b |
14 | 41148d1640521 |
15 | 1bae49d09010d |
hex | d248d7ddbf31 |
231210301112113 has 6 divisors (see below), whose sum is σ = 244019736077154. Its totient is φ = 219041337895344.
The previous prime is 231210301112081. The next prime is 231210301112117. The reversal of 231210301112113 is 311211103012132.
It can be written as a sum of positive squares in only one way, i.e., 172195072225344 + 59015228886769 = 13122312^2 + 7682137^2 .
It is not a de Polignac number, because 231210301112113 - 25 = 231210301112081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231210301112117) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320235873756 + ... + 320235874477.
It is an arithmetic number, because the mean of its divisors is an integer number (40669956012859).
Almost surely, 2231210301112113 is an apocalyptic number.
It is an amenable number.
231210301112113 is a deficient number, since it is larger than the sum of its proper divisors (12809434965041).
231210301112113 is an equidigital number, since it uses as much as digits as its factorization.
231210301112113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 640471748271 (or 640471748252 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 22.
Adding to 231210301112113 its reverse (311211103012132), we get a palindrome (542421404124245).
The spelling of 231210301112113 in words is "two hundred thirty-one trillion, two hundred ten billion, three hundred one million, one hundred twelve thousand, one hundred thirteen".
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