Base | Representation |
---|---|
bin | 1011101110011000101… |
… | …1010110010011011001 |
3 | 201020221000111220112112 |
4 | 2323212023112103121 |
5 | 11300012114331413 |
6 | 232311420522105 |
7 | 20360425464311 |
oct | 2734613262331 |
9 | 636830456475 |
10 | 201430230233 |
11 | 78476128361 |
12 | 330566b0335 |
13 | 15cc172365b |
14 | 9a6c022441 |
15 | 538dcdb2a8 |
hex | 2ee62d64d9 |
201430230233 has 4 divisors (see below), whose sum is σ = 202879368720. Its totient is φ = 199981091748.
The previous prime is 201430230161. The next prime is 201430230247. The reversal of 201430230233 is 332032034102.
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 a cyclic number.
It is not a de Polignac number, because 201430230233 - 214 = 201430213849 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 201430230199 and 201430230208.
It is not an unprimeable number, because it can be changed into a prime (201430230263) 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, 724569035 + ... + 724569312.
It is an arithmetic number, because the mean of its divisors is an integer number (50719842180).
Almost surely, 2201430230233 is an apocalyptic number.
It is an amenable number.
201430230233 is a deficient number, since it is larger than the sum of its proper divisors (1449138487).
201430230233 is a wasteful number, since it uses less digits than its factorization.
201430230233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1449138486.
The product of its (nonzero) digits is 2592, while the sum is 23.
Adding to 201430230233 its reverse (332032034102), we get a palindrome (533462264335).
The spelling of 201430230233 in words is "two hundred one billion, four hundred thirty million, two hundred thirty thousand, two hundred thirty-three".
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