Base | Representation |
---|---|
bin | 10010110110011011… |
… | …00000111110101001 |
3 | 222010021221122021211 |
4 | 21123031200332221 |
5 | 131211233013301 |
6 | 4352115033121 |
7 | 505534213342 |
oct | 113315407651 |
9 | 28107848254 |
10 | 10120204201 |
11 | 4323656228 |
12 | 1b6529b7a1 |
13 | c53886313 |
14 | 6c00d30c9 |
15 | 3e3704051 |
hex | 25b360fa9 |
10120204201 has 4 divisors (see below), whose sum is σ = 10121275332. Its totient is φ = 10119133072.
The previous prime is 10120204181. The next prime is 10120204243. The reversal of 10120204201 is 10240202101.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10240202101 = 1097 ⋅9334733.
It can be written as a sum of positive squares in 2 ways, for example, as 4225650025 + 5894554176 = 65005^2 + 76776^2 .
It is a cyclic number.
It is not a de Polignac number, because 10120204201 - 221 = 10118107049 is a prime.
It is a super-3 number, since 3×101202042013 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10120204001) 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, 521266 + ... + 540331.
It is an arithmetic number, because the mean of its divisors is an integer number (2530318833).
Almost surely, 210120204201 is an apocalyptic number.
It is an amenable number.
10120204201 is a deficient number, since it is larger than the sum of its proper divisors (1071131).
10120204201 is an equidigital number, since it uses as much as digits as its factorization.
10120204201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1071130.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 10120204201 its reverse (10240202101), we get a palindrome (20360406302).
The spelling of 10120204201 in words is "ten billion, one hundred twenty million, two hundred four thousand, two hundred one".
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