Base | Representation |
---|---|
bin | 111000011100101111… |
… | …0010001101011011010 |
3 | 102120220021001211020220 |
4 | 1300321132101223122 |
5 | 3441231132303310 |
6 | 131404512300510 |
7 | 11521012144545 |
oct | 1607136215332 |
9 | 376807054226 |
10 | 121223322330 |
11 | 47457450310 |
12 | 1b5b1541736 |
13 | b57b786236 |
14 | 5c1d9c785c |
15 | 324759b670 |
hex | 1c39791ada |
121223322330 has 32 divisors (see below), whose sum is σ = 317384699328. Its totient is φ = 29387472000.
The previous prime is 121223322317. The next prime is 121223322347. The reversal of 121223322330 is 33223322121.
It is a self number, because there is not a number n which added to its sum of digits gives 121223322330.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183671371 + ... + 183672030.
It is an arithmetic number, because the mean of its divisors is an integer number (9918271854).
Almost surely, 2121223322330 is an apocalyptic number.
121223322330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121223322330 is an abundant number, since it is smaller than the sum of its proper divisors (196161376998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121223322330 is a wasteful number, since it uses less digits than its factorization.
121223322330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 367343422.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 121223322330 its reverse (33223322121), we get a palindrome (154446644451).
The spelling of 121223322330 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred twenty-two thousand, three hundred thirty".
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