Base | Representation |
---|---|
bin | 10010101011100010110… |
… | …011001010101110101100 |
3 | 11112201110122000212011010 |
4 | 102223202303022232230 |
5 | 132013012030141231 |
6 | 2421420500025220 |
7 | 161513262111651 |
oct | 22534263125654 |
9 | 4481418025133 |
10 | 1283705318316 |
11 | 455464205713 |
12 | 18895a392210 |
13 | 9408c286065 |
14 | 461bb429c28 |
15 | 235d3621546 |
hex | 12ae2ccabac |
1283705318316 has 96 divisors (see below), whose sum is σ = 3230352824832. Its totient is φ = 395308641280.
The previous prime is 1283705318297. The next prime is 1283705318383. The reversal of 1283705318316 is 6138135073821.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3092650 + ... + 3483086.
It is an arithmetic number, because the mean of its divisors is an integer number (33649508592).
Almost surely, 21283705318316 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1283705318316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615176412416).
1283705318316 is an abundant number, since it is smaller than the sum of its proper divisors (1946647506516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1283705318316 is a wasteful number, since it uses less digits than its factorization.
1283705318316 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 390759 (or 390757 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 48.
The spelling of 1283705318316 in words is "one trillion, two hundred eighty-three billion, seven hundred five million, three hundred eighteen thousand, three hundred sixteen".
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