Base | Representation |
---|---|
bin | 1111101000000011100… |
… | …0111011111111101110 |
3 | 221122220202202100211120 |
4 | 3322000320323333232 |
5 | 13344241244204211 |
6 | 323154023201410 |
7 | 25252310411235 |
oct | 3720070737756 |
9 | 848822670746 |
10 | 268450381806 |
11 | a3938273182 |
12 | 4403b5a6266 |
13 | 1c4126c0b89 |
14 | cdc8d99b1c |
15 | 6eb29d8d06 |
hex | 3e80e3bfee |
268450381806 has 32 divisors (see below), whose sum is σ = 541978594560. Its totient is φ = 88639955136.
The previous prime is 268450381799. The next prime is 268450381807. The reversal of 268450381806 is 608183054862.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268450381807) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34215 + ... + 733533.
It is an arithmetic number, because the mean of its divisors is an integer number (16936831080).
Almost surely, 2268450381806 is an apocalyptic number.
268450381806 is an abundant number, since it is smaller than the sum of its proper divisors (273528212754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268450381806 is a wasteful number, since it uses less digits than its factorization.
268450381806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 699928.
The product of its (nonzero) digits is 2211840, while the sum is 51.
The spelling of 268450381806 in words is "two hundred sixty-eight billion, four hundred fifty million, three hundred eighty-one thousand, eight hundred six".
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