Base | Representation |
---|---|
bin | 110111111110100100… |
… | …1000010100000101100 |
3 | 102111021201102201201221 |
4 | 1233331021002200230 |
5 | 3432143021402340 |
6 | 131120233313124 |
7 | 11453641452040 |
oct | 1577511024054 |
9 | 374251381657 |
10 | 120211122220 |
11 | 46a880543a2 |
12 | 1b36a5657a4 |
13 | b449b66c67 |
14 | 5b653c2020 |
15 | 31d87aa44a |
hex | 1bfd24282c |
120211122220 has 48 divisors (see below), whose sum is σ = 288750147840. Its totient is φ = 41180462784.
The previous prime is 120211122203. The next prime is 120211122221. The reversal of 120211122220 is 22221112021.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 120211122194 and 120211122203.
It is not an unprimeable number, because it can be changed into a prime (120211122221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195510 + ... + 527869.
It is an arithmetic number, because the mean of its divisors is an integer number (6015628080).
Almost surely, 2120211122220 is an apocalyptic number.
120211122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120211122220 is an abundant number, since it is smaller than the sum of its proper divisors (168539025620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120211122220 is a wasteful number, since it uses less digits than its factorization.
120211122220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 724582 (or 724580 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 120211122220 its reverse (22221112021), we get a palindrome (142432234241).
The spelling of 120211122220 in words is "one hundred twenty billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twenty".
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