Base | Representation |
---|---|
bin | 11011100011111111001101… |
… | …000010100101001101111110 |
3 | 120220012112210021021122200200 |
4 | 123203333031002211031332 |
5 | 111342033134303013042 |
6 | 1105451500555504330 |
7 | 34350610042066440 |
oct | 3343771502451576 |
9 | 526175707248620 |
10 | 121220302001022 |
11 | 35696272300144 |
12 | 11719381a580a6 |
13 | 5284043b3ab23 |
14 | 21d1145a14490 |
15 | e03341863c4c |
hex | 6e3fcd0a537e |
121220302001022 has 96 divisors (see below), whose sum is σ = 308287734955200. Its totient is φ = 33697146783744.
The previous prime is 121220302001021. The next prime is 121220302001033. The reversal of 121220302001022 is 220100203022121.
121220302001022 is a `hidden beast` number, since 121 + 220 + 302 + 0 + 0 + 1 + 0 + 22 = 666.
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 = 121220302000986 and 121220302001004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121220302001021) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139562254 + ... + 140428142.
It is an arithmetic number, because the mean of its divisors is an integer number (3211330572450).
Almost surely, 2121220302001022 is an apocalyptic number.
121220302001022 is an abundant number, since it is smaller than the sum of its proper divisors (187067432954178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121220302001022 is a wasteful number, since it uses less digits than its factorization.
121220302001022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 895970 (or 895967 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 121220302001022 its reverse (220100203022121), we get a palindrome (341320505023143).
The spelling of 121220302001022 in words is "one hundred twenty-one trillion, two hundred twenty billion, three hundred two million, one thousand, twenty-two".
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