Base | Representation |
---|---|
bin | 1100100011100010111… |
… | …01100101010111100001 |
3 | 1112020112000210101220012 |
4 | 12101301131211113201 |
5 | 24032001434411431 |
6 | 530103233454305 |
7 | 43111334064005 |
oct | 6216135452741 |
9 | 1466460711805 |
10 | 431400310241 |
11 | 156a5725721a |
12 | 6b737111395 |
13 | 318b0b60184 |
14 | 16c465a0705 |
15 | b34d42922b |
hex | 64717655e1 |
431400310241 has 4 divisors (see below), whose sum is σ = 431409226500. Its totient is φ = 431391393984.
The previous prime is 431400310223. The next prime is 431400310283. The reversal of 431400310241 is 142013004134.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142013004134 = 2 ⋅71006502067.
It can be written as a sum of positive squares in 2 ways, for example, as 75831390625 + 355568919616 = 275375^2 + 596296^2 .
It is a cyclic number.
It is not a de Polignac number, because 431400310241 - 222 = 431396115937 is a prime.
It is a super-2 number, since 2×4314003102412 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (431400310741) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4385156 + ... + 4482453.
It is an arithmetic number, because the mean of its divisors is an integer number (107852306625).
Almost surely, 2431400310241 is an apocalyptic number.
It is an amenable number.
431400310241 is a deficient number, since it is larger than the sum of its proper divisors (8916259).
431400310241 is an equidigital number, since it uses as much as digits as its factorization.
431400310241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8916258.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 431400310241 its reverse (142013004134), we get a palindrome (573413314375).
The spelling of 431400310241 in words is "four hundred thirty-one billion, four hundred million, three hundred ten thousand, two hundred forty-one".
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