Base | Representation |
---|---|
bin | 10111110110110101… |
… | …11100101101111000 |
3 | 1020001121122220001112 |
4 | 23323122330231320 |
5 | 202212332031443 |
6 | 5514533335452 |
7 | 632252612555 |
oct | 137332745570 |
9 | 36047586045 |
10 | 12808080248 |
11 | 5482911297 |
12 | 2595497588 |
13 | 12916b6512 |
14 | 89708ba2c |
15 | 4ee691b18 |
hex | 2fb6bcb78 |
12808080248 has 8 divisors (see below), whose sum is σ = 24015150480. Its totient is φ = 6404040120.
The previous prime is 12808080239. The next prime is 12808080251. The reversal of 12808080248 is 84208080821.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-3 number, since 3×128080802483 (a number of 31 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800505008 + ... + 800505023.
It is an arithmetic number, because the mean of its divisors is an integer number (3001893810).
Almost surely, 212808080248 is an apocalyptic number.
It is an amenable number.
12808080248 is a deficient number, since it is larger than the sum of its proper divisors (11207070232).
12808080248 is a wasteful number, since it uses less digits than its factorization.
12808080248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1601010037 (or 1601010033 counting only the distinct ones).
The product of its (nonzero) digits is 65536, while the sum is 41.
The spelling of 12808080248 in words is "twelve billion, eight hundred eight million, eighty thousand, two hundred forty-eight".
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