Base | Representation |
---|---|
bin | 1011101101100111000… |
… | …1011001100010010111 |
3 | 201020101111212212002201 |
4 | 2323121301121202113 |
5 | 11244100324214033 |
6 | 232235023545331 |
7 | 20352320432050 |
oct | 2733161314227 |
9 | 636344785081 |
10 | 201222101143 |
11 | 783796a2948 |
12 | 32bb8a5b247 |
13 | 15c8a58124b |
14 | 9a4c525727 |
15 | 537a8c847d |
hex | 2ed9c59897 |
201222101143 has 4 divisors (see below), whose sum is σ = 229968115600. Its totient is φ = 172476086688.
The previous prime is 201222101123. The next prime is 201222101149. The reversal of 201222101143 is 341101222102.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341101222102 = 2 ⋅170550611051.
It is a cyclic number.
It is not a de Polignac number, because 201222101143 - 217 = 201221970071 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 201222101143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201222101149) 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, 14373007218 + ... + 14373007231.
It is an arithmetic number, because the mean of its divisors is an integer number (57492028900).
Almost surely, 2201222101143 is an apocalyptic number.
201222101143 is a deficient number, since it is larger than the sum of its proper divisors (28746014457).
201222101143 is an equidigital number, since it uses as much as digits as its factorization.
201222101143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28746014456.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 201222101143 its reverse (341101222102), we get a palindrome (542323323245).
The spelling of 201222101143 in words is "two hundred one billion, two hundred twenty-two million, one hundred one thousand, one hundred forty-three".
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