Base | Representation |
---|---|
bin | 111000111000000111… |
… | …0111000010101000100 |
3 | 102200021021210011200011 |
4 | 1301300032320111010 |
5 | 4000121330030340 |
6 | 132040011400004 |
7 | 11552536103134 |
oct | 1616016702504 |
9 | 380237704604 |
10 | 122142033220 |
11 | 47888aa2409 |
12 | 1b809153004 |
13 | b696c0134c |
14 | 5ca9a14ac4 |
15 | 329d0720ea |
hex | 1c703b8544 |
122142033220 has 24 divisors (see below), whose sum is σ = 256920862464. Its totient is φ = 48776319456.
The previous prime is 122142033191. The next prime is 122142033239. The reversal of 122142033220 is 22330241221.
It is a junction number, because it is equal to n+sod(n) for n = 122142033191 and 122142033200.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5018422 + ... + 5042701.
It is an arithmetic number, because the mean of its divisors is an integer number (10705035936).
Almost surely, 2122142033220 is an apocalyptic number.
122142033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122142033220 is an abundant number, since it is smaller than the sum of its proper divisors (134778829244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122142033220 is a wasteful number, since it uses less digits than its factorization.
122142033220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10061739 (or 10061737 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 122142033220 its reverse (22330241221), we get a palindrome (144472274441).
The spelling of 122142033220 in words is "one hundred twenty-two billion, one hundred forty-two million, thirty-three thousand, two hundred twenty".
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