Base | Representation |
---|---|
bin | 111000011001011101… |
… | …0001100110111001010 |
3 | 102120121120212010201200 |
4 | 1300302322030313022 |
5 | 3441014434431442 |
6 | 131345540125030 |
7 | 11515204142433 |
oct | 1606272146712 |
9 | 376546763650 |
10 | 121113202122 |
11 | 47400277380 |
12 | 1b580696776 |
13 | b561a0b253 |
14 | 5c0d12048a |
15 | 323ca9834c |
hex | 1c32e8cdca |
121113202122 has 24 divisors (see below), whose sum is σ = 286267569120. Its totient is φ = 36700970280.
The previous prime is 121113202117. The next prime is 121113202123. The reversal of 121113202122 is 221202311121.
121113202122 is a `hidden beast` number, since 121 + 11 + 320 + 212 + 2 = 666.
121113202122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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 = 121113202095 and 121113202104.
It is not an unprimeable number, because it can be changed into a prime (121113202123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305841222 + ... + 305841617.
It is an arithmetic number, because the mean of its divisors is an integer number (11927815380).
Almost surely, 2121113202122 is an apocalyptic number.
121113202122 is an abundant number, since it is smaller than the sum of its proper divisors (165154366998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121113202122 is a wasteful number, since it uses less digits than its factorization.
121113202122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 611682858 (or 611682855 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 121113202122 its reverse (221202311121), we get a palindrome (342315513243).
The spelling of 121113202122 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred two thousand, one hundred twenty-two".
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