Base | Representation |
---|---|
bin | 10111110000100101… |
… | …00010111010101000 |
3 | 1012220221210212022001 |
4 | 23320102202322220 |
5 | 202110404431033 |
6 | 5505415340344 |
7 | 631044231040 |
oct | 137022427250 |
9 | 35827725261 |
10 | 12755545768 |
11 | 545619a369 |
12 | 257b9816b4 |
13 | 1283851624 |
14 | 8900d4720 |
15 | 4e9c65e7d |
hex | 2f84a2ea8 |
12755545768 has 32 divisors (see below), whose sum is σ = 27575213760. Its totient is φ = 5418282240.
The previous prime is 12755545753. The next prime is 12755545783. The reversal of 12755545768 is 86754555721.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12755545753) and next prime (12755545783).
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, 1001538 + ... + 1014193.
It is an arithmetic number, because the mean of its divisors is an integer number (861725430).
Almost surely, 212755545768 is an apocalyptic number.
It is an amenable number.
12755545768 is an abundant number, since it is smaller than the sum of its proper divisors (14819667992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12755545768 is a wasteful number, since it uses less digits than its factorization.
12755545768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2015857 (or 2015853 counting only the distinct ones).
The product of its digits is 11760000, while the sum is 55.
The spelling of 12755545768 in words is "twelve billion, seven hundred fifty-five million, five hundred forty-five thousand, seven hundred sixty-eight".
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