Base | Representation |
---|---|
bin | 111000011110011010… |
… | …1110011100011110100 |
3 | 102121001012101022022210 |
4 | 1300330311303203310 |
5 | 3441340113301233 |
6 | 131414251253420 |
7 | 11522266323036 |
oct | 1607465634364 |
9 | 377035338283 |
10 | 121279822068 |
11 | 47486330409 |
12 | 1b60844a270 |
13 | b58a3a8c32 |
14 | 5c272d3c56 |
15 | 324c50c163 |
hex | 1c3cd738f4 |
121279822068 has 48 divisors (see below), whose sum is σ = 289930644864. Its totient is φ = 39446292480.
The previous prime is 121279822061. The next prime is 121279822091. The reversal of 121279822068 is 860228972121.
121279822068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121279822061) 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, 651105 + ... + 816392.
It is an arithmetic number, because the mean of its divisors is an integer number (6040221768).
Almost surely, 2121279822068 is an apocalyptic number.
It is an amenable number.
121279822068 is an abundant number, since it is smaller than the sum of its proper divisors (168650822796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121279822068 is a wasteful number, since it uses less digits than its factorization.
121279822068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1467672 (or 1467670 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 48.
The spelling of 121279822068 in words is "one hundred twenty-one billion, two hundred seventy-nine million, eight hundred twenty-two thousand, sixty-eight".
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