Base | Representation |
---|---|
bin | 1000010001010100… |
… | …0110010001000001 |
3 | 12201201112221111020 |
4 | 2010111012101001 |
5 | 14021322420301 |
6 | 1004144540053 |
7 | 106005510252 |
oct | 20425062101 |
9 | 5651487436 |
10 | 2220123201 |
11 | a3a22446a |
12 | 51b621629 |
13 | 294c58b8a |
14 | 170bd8b29 |
15 | ced94436 |
hex | 84546441 |
2220123201 has 16 divisors (see below), whose sum is σ = 3017834496. Its totient is φ = 1451280896.
The previous prime is 2220123181. The next prime is 2220123263. The reversal of 2220123201 is 1023210222.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2220123201 - 211 = 2220121153 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2220123281) 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, 358336 + ... + 364478.
It is an arithmetic number, because the mean of its divisors is an integer number (188614656).
Almost surely, 22220123201 is an apocalyptic number.
It is an amenable number.
2220123201 is a deficient number, since it is larger than the sum of its proper divisors (797711295).
2220123201 is a wasteful number, since it uses less digits than its factorization.
2220123201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8472.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2220123201 is about 47118.1833372213. The cubic root of 2220123201 is about 1304.5448814451.
Adding to 2220123201 its reverse (1023210222), we get a palindrome (3243333423).
The spelling of 2220123201 in words is "two billion, two hundred twenty million, one hundred twenty-three thousand, two hundred one".
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