Base | Representation |
---|---|
bin | 1011101101100111010… |
… | …0111000001101010001 |
3 | 201020101120121012012122 |
4 | 2323121310320031101 |
5 | 11244101042410301 |
6 | 232235055304025 |
7 | 20352331251110 |
oct | 2733164701521 |
9 | 636346535178 |
10 | 201223013201 |
11 | 7837a166111 |
12 | 32bb921b015 |
13 | 15c8a810422 |
14 | 9a4c6c1c77 |
15 | 537aa0881b |
hex | 2ed9d38351 |
201223013201 has 4 divisors (see below), whose sum is σ = 229969157952. Its totient is φ = 172476868452.
The previous prime is 201223013183. The next prime is 201223013207. The reversal of 201223013201 is 102310322102.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 201223013201 - 26 = 201223013137 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 201223013201.
It is not an unprimeable number, because it can be changed into a prime (201223013207) 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, 14373072365 + ... + 14373072378.
It is an arithmetic number, because the mean of its divisors is an integer number (57492289488).
Almost surely, 2201223013201 is an apocalyptic number.
It is an amenable number.
201223013201 is a deficient number, since it is larger than the sum of its proper divisors (28746144751).
201223013201 is an equidigital number, since it uses as much as digits as its factorization.
201223013201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28746144750.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 201223013201 its reverse (102310322102), we get a palindrome (303533335303).
The spelling of 201223013201 in words is "two hundred one billion, two hundred twenty-three million, thirteen thousand, two hundred one".
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