Base | Representation |
---|---|
bin | 100011110011100… |
… | …0011011110111111 |
3 | 10002201200110201022 |
4 | 1013213003132333 |
5 | 4430030421343 |
6 | 315114334355 |
7 | 41525621603 |
oct | 10747033677 |
9 | 3081613638 |
10 | 1201420223 |
11 | 567196883 |
12 | 29642a3bb |
13 | 161ba0a53 |
14 | b57bd503 |
15 | 7071b568 |
hex | 479c37bf |
1201420223 has 2 divisors, whose sum is σ = 1201420224. Its totient is φ = 1201420222.
The previous prime is 1201420219. The next prime is 1201420273. The reversal of 1201420223 is 3220241021.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1201420223 - 22 = 1201420219 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1201420273) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600710111 + 600710112.
It is an arithmetic number, because the mean of its divisors is an integer number (600710112).
Almost surely, 21201420223 is an apocalyptic number.
1201420223 is a deficient number, since it is larger than the sum of its proper divisors (1).
1201420223 is an equidigital number, since it uses as much as digits as its factorization.
1201420223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 1201420223 is about 34661.5092429629. The cubic root of 1201420223 is about 1063.0776294988.
Adding to 1201420223 its reverse (3220241021), we get a palindrome (4421661244).
The spelling of 1201420223 in words is "one billion, two hundred one million, four hundred twenty thousand, two hundred twenty-three".
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