Base | Representation |
---|---|
bin | 1100100011001011100… |
… | …10010010010000110101 |
3 | 1112020000101011122212022 |
4 | 12101211302102100311 |
5 | 24031101312113141 |
6 | 530031555002525 |
7 | 43103435004341 |
oct | 6214562222065 |
9 | 1466011148768 |
10 | 431204410421 |
11 | 156966714844 |
12 | 6b6a1599445 |
13 | 3187c3b0215 |
14 | 16c28568621 |
15 | b33b12eb4b |
hex | 6465c92435 |
431204410421 has 24 divisors (see below), whose sum is σ = 457542012312. Its totient is φ = 406216857600.
The previous prime is 431204410391. The next prime is 431204410459. The reversal of 431204410421 is 124014402134.
It can be written as a sum of positive squares in 4 ways, for example, as 37912373521 + 393292036900 = 194711^2 + 627130^2 .
It is not a de Polignac number, because 431204410421 - 214 = 431204394037 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (431204410471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5648321 + ... + 5724153.
It is an arithmetic number, because the mean of its divisors is an integer number (19064250513).
Almost surely, 2431204410421 is an apocalyptic number.
It is an amenable number.
431204410421 is a deficient number, since it is larger than the sum of its proper divisors (26337601891).
431204410421 is an equidigital number, since it uses as much as digits as its factorization.
431204410421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76053 (or 76022 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 26.
Adding to 431204410421 its reverse (124014402134), we get a palindrome (555218812555).
The spelling of 431204410421 in words is "four hundred thirty-one billion, two hundred four million, four hundred ten thousand, four hundred twenty-one".
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