Base | Representation |
---|---|
bin | 1101011100100011001… |
… | …0101111110101110001 |
3 | 211002020221001010100122 |
4 | 3113020302233311301 |
5 | 12241043003404131 |
6 | 254042034500025 |
7 | 22455305466452 |
oct | 3271062576561 |
9 | 732227033318 |
10 | 231002013041 |
11 | 89a70683488 |
12 | 3892a134615 |
13 | 18a251777a7 |
14 | b27563d129 |
15 | 602002ad7b |
hex | 35c8cafd71 |
231002013041 has 8 divisors (see below), whose sum is σ = 231390795624. Its totient is φ = 230613338880.
The previous prime is 231002013023. The next prime is 231002013043. The reversal of 231002013041 is 140310200132.
It can be written as a sum of positive squares in 4 ways, for example, as 24428127025 + 206573886016 = 156295^2 + 454504^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231002013041 - 226 = 230934904177 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (231002013043) 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, 5016281 + ... + 5062121.
It is an arithmetic number, because the mean of its divisors is an integer number (28923849453).
Almost surely, 2231002013041 is an apocalyptic number.
It is an amenable number.
231002013041 is a deficient number, since it is larger than the sum of its proper divisors (388782583).
231002013041 is an equidigital number, since it uses as much as digits as its factorization.
231002013041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54211.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 231002013041 its reverse (140310200132), we get a palindrome (371312213173).
The spelling of 231002013041 in words is "two hundred thirty-one billion, two million, thirteen thousand, forty-one".
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