Base | Representation |
---|---|
bin | 1111100110011111000… |
… | …0101111110100011100 |
3 | 221121211101111000022211 |
4 | 3321213300233310130 |
5 | 13342410333220010 |
6 | 323044123250204 |
7 | 25236001150441 |
oct | 3714760576434 |
9 | 847741430284 |
10 | 268028804380 |
11 | a37412aa887 |
12 | 43b42379964 |
13 | 1c37626618c |
14 | cd88db99c8 |
15 | 6e8a9b208a |
hex | 3e67c2fd1c |
268028804380 has 48 divisors (see below), whose sum is σ = 578177008416. Its totient is φ = 104295133440.
The previous prime is 268028804357. The next prime is 268028804389. The reversal of 268028804380 is 83408820862.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268028804389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4507402 + ... + 4566478.
It is an arithmetic number, because the mean of its divisors is an integer number (12045354342).
Almost surely, 2268028804380 is an apocalyptic number.
268028804380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
268028804380 is an abundant number, since it is smaller than the sum of its proper divisors (310148204036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268028804380 is a wasteful number, since it uses less digits than its factorization.
268028804380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65254 (or 65252 counting only the distinct ones).
The product of its (nonzero) digits is 1179648, while the sum is 49.
The spelling of 268028804380 in words is "two hundred sixty-eight billion, twenty-eight million, eight hundred four thousand, three hundred eighty".
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