Base | Representation |
---|---|
bin | 111000101101101011… |
… | …1111100001100101010 |
3 | 102122100220022001110121 |
4 | 1301123113330030222 |
5 | 3443412233234301 |
6 | 131541151033454 |
7 | 11541056441224 |
oct | 1613327741452 |
9 | 378326261417 |
10 | 121792086826 |
11 | 47719504513 |
12 | 1b72bb0b88a |
13 | b63c566687 |
14 | 5c7535d414 |
15 | 327c4993a1 |
hex | 1c5b5fc32a |
121792086826 has 12 divisors (see below), whose sum is σ = 183639717702. Its totient is φ = 60580482816.
The previous prime is 121792086821. The next prime is 121792086833. The reversal of 121792086826 is 628680297121.
121792086826 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 54615222601 + 67176864225 = 233699^2 + 259185^2 .
It is not an unprimeable number, because it can be changed into a prime (121792086821) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 742921 + ... + 891916.
Almost surely, 2121792086826 is an apocalyptic number.
121792086826 is a deficient number, since it is larger than the sum of its proper divisors (61847630876).
121792086826 is an equidigital number, since it uses as much as digits as its factorization.
121792086826 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1635225 (or 1635032 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 52.
The spelling of 121792086826 in words is "one hundred twenty-one billion, seven hundred ninety-two million, eighty-six thousand, eight hundred twenty-six".
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