Base | Representation |
---|---|
bin | 110111111011111010… |
… | …1100001101111111011 |
3 | 102111001111222000022021 |
4 | 1233313311201233323 |
5 | 3432002230334321 |
6 | 131103333535311 |
7 | 11451511116631 |
oct | 1576765415773 |
9 | 374044860267 |
10 | 120122121211 |
11 | 46a41895644 |
12 | 1b3447a4537 |
13 | b4345a4941 |
14 | 5b57655351 |
15 | 31d0a79941 |
hex | 1bf7d61bfb |
120122121211 has 8 divisors (see below), whose sum is σ = 122700372480. Its totient is φ = 117544805928.
The previous prime is 120122121199. The next prime is 120122121221. The reversal of 120122121211 is 112121221021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 120122121211 - 211 = 120122119163 is a prime.
It is a super-2 number, since 2×1201221212112 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120122121221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28560 + ... + 490978.
It is an arithmetic number, because the mean of its divisors is an integer number (15337546560).
Almost surely, 2120122121211 is an apocalyptic number.
120122121211 is a deficient number, since it is larger than the sum of its proper divisors (2578251269).
120122121211 is an equidigital number, since it uses as much as digits as its factorization.
120122121211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 467993.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 120122121211 its reverse (112121221021), we get a palindrome (232243342232).
The spelling of 120122121211 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred eleven".
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