Base | Representation |
---|---|
bin | 1101011101110011110… |
… | …0110111100100001001 |
3 | 211010010111102022222021 |
4 | 3113130330313210021 |
5 | 12242241043213231 |
6 | 254135355324441 |
7 | 22466553225634 |
oct | 3273474674411 |
9 | 733114368867 |
10 | 231340210441 |
11 | 8a12457716a |
12 | 38a03450721 |
13 | 18a7a25a7b2 |
14 | b2a8516c1b |
15 | 603ea82811 |
hex | 35dcf37909 |
231340210441 has 8 divisors (see below), whose sum is σ = 244966419720. Its totient is φ = 217715996928.
The previous prime is 231340210427. The next prime is 231340210501. The reversal of 231340210441 is 144012043132.
It can be written as a sum of positive squares in 4 ways, for example, as 51156940041 + 180183270400 = 226179^2 + 424480^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-231340210441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231340210411) 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, 256926 + ... + 727111.
It is an arithmetic number, because the mean of its divisors is an integer number (30620802465).
Almost surely, 2231340210441 is an apocalyptic number.
It is an amenable number.
231340210441 is a deficient number, since it is larger than the sum of its proper divisors (13626209279).
231340210441 is a wasteful number, since it uses less digits than its factorization.
231340210441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 997883.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 231340210441 its reverse (144012043132), we get a palindrome (375352253573).
The spelling of 231340210441 in words is "two hundred thirty-one billion, three hundred forty million, two hundred ten thousand, four hundred forty-one".
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