Base | Representation |
---|---|
bin | 10010111111110001110… |
… | …001101011010010111101 |
3 | 11121210112202112021201011 |
4 | 102333301301223102331 |
5 | 132342010421002031 |
6 | 2435412405515221 |
7 | 163212544001350 |
oct | 22776161532275 |
9 | 4553482467634 |
10 | 1305431422141 |
11 | 4636a3007020 |
12 | 191002412b11 |
13 | 961424499b2 |
14 | 4727ca70297 |
15 | 23e55b9a6b1 |
hex | 12ff1c6b4bd |
1305431422141 has 8 divisors (see below), whose sum is σ = 1627550864064. Its totient is φ = 1017219289920.
The previous prime is 1305431422123. The next prime is 1305431422151. The reversal of 1305431422141 is 1412241345031.
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 1305431422141 - 27 = 1305431422013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1305431422121) 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, 8476827340 + ... + 8476827493.
It is an arithmetic number, because the mean of its divisors is an integer number (203443858008).
Almost surely, 21305431422141 is an apocalyptic number.
1305431422141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1305431422141 is a deficient number, since it is larger than the sum of its proper divisors (322119441923).
1305431422141 is a wasteful number, since it uses less digits than its factorization.
1305431422141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16953654851.
The product of its (nonzero) digits is 11520, while the sum is 31.
Adding to 1305431422141 its reverse (1412241345031), we get a palindrome (2717672767172).
The spelling of 1305431422141 in words is "one trillion, three hundred five billion, four hundred thirty-one million, four hundred twenty-two thousand, one hundred forty-one".
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