Base | Representation |
---|---|
bin | 110111111011100111… |
… | …1101110000100101101 |
3 | 102111000211022110222120 |
4 | 1233313033232010231 |
5 | 3431442211211341 |
6 | 131102341303153 |
7 | 11451330640623 |
oct | 1576717560455 |
9 | 374024273876 |
10 | 120112210221 |
11 | 46a37236343 |
12 | 1b341404ab9 |
13 | b432514753 |
14 | 5b561d5513 |
15 | 31cec6d066 |
hex | 1bf73ee12d |
120112210221 has 8 divisors (see below), whose sum is σ = 160226506080. Its totient is φ = 80036360592.
The previous prime is 120112210217. The next prime is 120112210243. The reversal of 120112210221 is 122012211021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 120112210221 - 22 = 120112210217 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 120112210221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120112210291) 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, 9604266 + ... + 9616763.
It is an arithmetic number, because the mean of its divisors is an integer number (20028313260).
Almost surely, 2120112210221 is an apocalyptic number.
It is an amenable number.
120112210221 is a deficient number, since it is larger than the sum of its proper divisors (40114295859).
120112210221 is a wasteful number, since it uses less digits than its factorization.
120112210221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19223115.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 120112210221 its reverse (122012211021), we get a palindrome (242124421242).
The spelling of 120112210221 in words is "one hundred twenty billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-one".
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