Base | Representation |
---|---|
bin | 1100100011100110100… |
… | …11100000010010011111 |
3 | 1112020121011221220110010 |
4 | 12101303103200102133 |
5 | 24032032343104211 |
6 | 530110300214303 |
7 | 43112160612006 |
oct | 6216323402237 |
9 | 1466534856403 |
10 | 431431222431 |
11 | 156a7274aa90 |
12 | 6b74553a393 |
13 | 318b7394401 |
14 | 16c4a729c3d |
15 | b350ed34a6 |
hex | 64734e049f |
431431222431 has 16 divisors (see below), whose sum is σ = 627552511488. Its totient is φ = 261466723200.
The previous prime is 431431222423. The next prime is 431431222499. The reversal of 431431222431 is 134222134134.
It is not a de Polignac number, because 431431222431 - 23 = 431431222423 is a prime.
It is a super-3 number, since 3×4314312224313 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (431431222421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1328391 + ... + 1620951.
It is an arithmetic number, because the mean of its divisors is an integer number (39222031968).
Almost surely, 2431431222431 is an apocalyptic number.
431431222431 is a deficient number, since it is larger than the sum of its proper divisors (196121289057).
431431222431 is a wasteful number, since it uses less digits than its factorization.
431431222431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 337262.
The product of its digits is 13824, while the sum is 30.
Adding to 431431222431 its reverse (134222134134), we get a palindrome (565653356565).
The spelling of 431431222431 in words is "four hundred thirty-one billion, four hundred thirty-one million, two hundred twenty-two thousand, four hundred thirty-one".
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