Base | Representation |
---|---|
bin | 10010111111110010111… |
… | …000101010100011101110 |
3 | 11121210121001112201201211 |
4 | 102333302320222203232 |
5 | 132342030202000332 |
6 | 2435414312425034 |
7 | 163213161115522 |
oct | 22776270524356 |
9 | 4553531481654 |
10 | 1305450031342 |
11 | 463702567426 |
12 | 1910086a817a |
13 | 96146264062 |
14 | 47281315d82 |
15 | 23e57624447 |
hex | 12ff2e2a8ee |
1305450031342 has 24 divisors (see below), whose sum is σ = 1991088952776. Its totient is φ = 641931233328.
The previous prime is 1305450031331. The next prime is 1305450031349. The reversal of 1305450031342 is 2431300545031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1305450031349) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5384913 + ... + 5622115.
It is an arithmetic number, because the mean of its divisors is an integer number (82962039699).
Almost surely, 21305450031342 is an apocalyptic number.
1305450031342 is a deficient number, since it is larger than the sum of its proper divisors (685638921434).
1305450031342 is an equidigital number, since it uses as much as digits as its factorization.
1305450031342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237952 (or 237885 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 31.
Adding to 1305450031342 its reverse (2431300545031), we get a palindrome (3736750576373).
The spelling of 1305450031342 in words is "one trillion, three hundred five billion, four hundred fifty million, thirty-one thousand, three hundred forty-two".
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