Base | Representation |
---|---|
bin | 1110010011101… |
… | …10010010111001 |
3 | 22100211202111201 |
4 | 13021312102321 |
5 | 221211202301 |
6 | 15524254201 |
7 | 2655112645 |
oct | 711662271 |
9 | 270752451 |
10 | 120022201 |
11 | 61827502 |
12 | 34241361 |
13 | 1bb34070 |
14 | 11d23c25 |
15 | a80c201 |
hex | 72764b9 |
120022201 has 4 divisors (see below), whose sum is σ = 129254692. Its totient is φ = 110789712.
The previous prime is 120022181. The next prime is 120022207. The reversal of 120022201 is 102220021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102220021 = 1117 ⋅91513.
It can be written as a sum of positive squares in 2 ways, for example, as 10086976 + 109935225 = 3176^2 + 10485^2 .
It is a cyclic number.
It is not a de Polignac number, because 120022201 - 217 = 119891129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120022207) 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, 4616226 + ... + 4616251.
It is an arithmetic number, because the mean of its divisors is an integer number (32313673).
Almost surely, 2120022201 is an apocalyptic number.
It is an amenable number.
120022201 is a deficient number, since it is larger than the sum of its proper divisors (9232491).
120022201 is an equidigital number, since it uses as much as digits as its factorization.
120022201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9232490.
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 120022201 is about 10955.4644356139. The cubic root of 120022201 is about 493.2728309761.
Adding to 120022201 its reverse (102220021), we get a palindrome (222242222).
The spelling of 120022201 in words is "one hundred twenty million, twenty-two thousand, two hundred one".
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