Base | Representation |
---|---|
bin | 10010110100010110110… |
… | …100111101100011011100 |
3 | 11120121220002222221001021 |
4 | 102310112310331203130 |
5 | 132141402020412320 |
6 | 2430023453053524 |
7 | 162266624545612 |
oct | 22642664754334 |
9 | 4517802887037 |
10 | 1293168138460 |
11 | 45947a779530 |
12 | 18a75b4872a4 |
13 | 94c398a1413 |
14 | 468380b96b2 |
15 | 2398926edaa |
hex | 12d16d3d8dc |
1293168138460 has 24 divisors (see below), whose sum is σ = 2962530644976. Its totient is φ = 470242959360.
The previous prime is 1293168138443. The next prime is 1293168138491. The reversal of 1293168138460 is 648318613921.
It is a junction number, because it is equal to n+sod(n) for n = 1293168138398 and 1293168138407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2939018277 + ... + 2939018716.
It is an arithmetic number, because the mean of its divisors is an integer number (123438776874).
Almost surely, 21293168138460 is an apocalyptic number.
1293168138460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1293168138460 is an abundant number, since it is smaller than the sum of its proper divisors (1669362506516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1293168138460 is a wasteful number, since it uses less digits than its factorization.
1293168138460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5878037013 (or 5878037011 counting only the distinct ones).
The product of its (nonzero) digits is 1492992, while the sum is 52.
The spelling of 1293168138460 in words is "one trillion, two hundred ninety-three billion, one hundred sixty-eight million, one hundred thirty-eight thousand, four hundred sixty".
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