Base | Representation |
---|---|
bin | 100101110100001… |
… | …1011010001100100 |
3 | 10021102122020000220 |
4 | 1023220123101210 |
5 | 10044313414201 |
6 | 325524404340 |
7 | 43305242616 |
oct | 11350332144 |
9 | 3242566026 |
10 | 1268888676 |
11 | 5a1288930 |
12 | 2b4b466b0 |
13 | 172b64203 |
14 | c0742db6 |
15 | 765e7036 |
hex | 4ba1b464 |
1268888676 has 48 divisors (see below), whose sum is σ = 3232051200. Its totient is φ = 384255520.
The previous prime is 1268888669. The next prime is 1268888689. The reversal of 1268888676 is 6768888621.
It is a super-2 number, since 2×12688886762 = 3220156944162065952, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314665 + ... + 318671.
It is an arithmetic number, because the mean of its divisors is an integer number (67334400).
Almost surely, 21268888676 is an apocalyptic number.
It is an amenable number.
1268888676 is an abundant number, since it is smaller than the sum of its proper divisors (1963162524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1268888676 is a wasteful number, since it uses less digits than its factorization.
1268888676 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6424 (or 6422 counting only the distinct ones).
The product of its digits is 12386304, while the sum is 60.
The square root of 1268888676 is about 35621.4636981694. The cubic root of 1268888676 is about 1082.6161644117.
Subtracting 1268888676 from its reverse (6768888621), we obtain a palindrome (5499999945).
The spelling of 1268888676 in words is "one billion, two hundred sixty-eight million, eight hundred eighty-eight thousand, six hundred seventy-six".
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