Base | Representation |
---|---|
bin | 110111111110111001… |
… | …0111010101011110100 |
3 | 102111022111002110201020 |
4 | 1233331302322223310 |
5 | 3432203324201322 |
6 | 131121304501140 |
7 | 11454133663614 |
oct | 1577562725364 |
9 | 374274073636 |
10 | 120222100212 |
11 | 46a93272315 |
12 | 1b37217a7b0 |
13 | b44c20ba06 |
14 | 5b66a3ca44 |
15 | 31d972805c |
hex | 1bfdcbaaf4 |
120222100212 has 12 divisors (see below), whose sum is σ = 280518233856. Its totient is φ = 40074033400.
The previous prime is 120222100181. The next prime is 120222100213. The reversal of 120222100212 is 212001222021.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 120222100191 and 120222100200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120222100213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009254164 + ... + 5009254187.
It is an arithmetic number, because the mean of its divisors is an integer number (23376519488).
Almost surely, 2120222100212 is an apocalyptic number.
120222100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120222100212 is an abundant number, since it is smaller than the sum of its proper divisors (160296133644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120222100212 is a wasteful number, since it uses less digits than its factorization.
120222100212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10018508358 (or 10018508356 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 120222100212 its reverse (212001222021), we get a palindrome (332223322233).
The spelling of 120222100212 in words is "one hundred twenty billion, two hundred twenty-two million, one hundred thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •