Base | Representation |
---|---|
bin | 10010111111110001010… |
… | …101110010011101000111 |
3 | 11121210112020202212022010 |
4 | 102333301111302131013 |
5 | 132342002033031211 |
6 | 2435411545105303 |
7 | 163212424602336 |
oct | 22776125623507 |
9 | 4553466685263 |
10 | 1305424111431 |
11 | 463699973410 |
12 | 190bbba88233 |
13 | 96140a8a22b |
14 | 4727bac9d1d |
15 | 23e552044a6 |
hex | 12ff1572747 |
1305424111431 has 8 divisors (see below), whose sum is σ = 1898798707584. Its totient is φ = 791166128120.
The previous prime is 1305424111391. The next prime is 1305424111447. The reversal of 1305424111431 is 1341114245031.
It is a happy number.
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 1305424111431 - 211 = 1305424109383 is a prime.
It is a super-2 number, since 2×13054241114312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1305424111471) 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, 19779153171 + ... + 19779153236.
It is an arithmetic number, because the mean of its divisors is an integer number (237349838448).
Almost surely, 21305424111431 is an apocalyptic number.
1305424111431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1305424111431 is a deficient number, since it is larger than the sum of its proper divisors (593374596153).
1305424111431 is a wasteful number, since it uses less digits than its factorization.
1305424111431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39558306421.
The product of its (nonzero) digits is 5760, while the sum is 30.
Adding to 1305424111431 its reverse (1341114245031), we get a palindrome (2646538356462).
The spelling of 1305424111431 in words is "one trillion, three hundred five billion, four hundred twenty-four million, one hundred eleven thousand, four hundred thirty-one".
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