Base | Representation |
---|---|
bin | 111000011111000001… |
… | …0110111011110110110 |
3 | 102121002121101122002200 |
4 | 1300332002313132312 |
5 | 3441410301220342 |
6 | 131420252245330 |
7 | 11522633120400 |
oct | 1607602673666 |
9 | 377077348080 |
10 | 121300023222 |
11 | 47496778884 |
12 | 1b613170846 |
13 | b59162ca91 |
14 | 5c29c71b70 |
15 | 324e19c94c |
hex | 1c3e0b77b6 |
121300023222 has 108 divisors (see below), whose sum is σ = 314214870060. Its totient is φ = 33720134112.
The previous prime is 121300023203. The next prime is 121300023227. The reversal of 121300023222 is 222320003121.
121300023222 is a `hidden beast` number, since 121 + 300 + 0 + 23 + 222 = 666.
121300023222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1213000232222 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 121300023195 and 121300023204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121300023227) by changing a digit.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1157229 + ... + 1257687.
It is an arithmetic number, because the mean of its divisors is an integer number (2909396945).
Almost surely, 2121300023222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121300023222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157107435030).
121300023222 is an abundant number, since it is smaller than the sum of its proper divisors (192914846838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121300023222 is a wasteful number, since it uses less digits than its factorization.
121300023222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100555 (or 100508 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 121300023222 its reverse (222320003121), we get a palindrome (343620026343).
The spelling of 121300023222 in words is "one hundred twenty-one billion, three hundred million, twenty-three thousand, two hundred twenty-two".
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