Base | Representation |
---|---|
bin | 1011111000000010111… |
… | …1001111010110110111 |
3 | 201111121201220001000012 |
4 | 2332000233033112313 |
5 | 11320314433031411 |
6 | 233421012010435 |
7 | 20511613456520 |
oct | 2760057172667 |
9 | 644551801005 |
10 | 204023330231 |
11 | 7958693a806 |
12 | 3365b000a1b |
13 | 16315a1ba56 |
14 | 9c36589847 |
15 | 54917a718b |
hex | 2f80bcf5b7 |
204023330231 has 4 divisors (see below), whose sum is σ = 233169520272. Its totient is φ = 174877140192.
The previous prime is 204023330213. The next prime is 204023330233. The reversal of 204023330231 is 132033320402.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 204023330231 - 26 = 204023330167 is a prime.
It is a super-2 number, since 2×2040233302312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 204023330197 and 204023330206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (204023330233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14573095010 + ... + 14573095023.
It is an arithmetic number, because the mean of its divisors is an integer number (58292380068).
Almost surely, 2204023330231 is an apocalyptic number.
204023330231 is a deficient number, since it is larger than the sum of its proper divisors (29146190041).
204023330231 is an equidigital number, since it uses as much as digits as its factorization.
204023330231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29146190040.
The product of its (nonzero) digits is 2592, while the sum is 23.
Adding to 204023330231 its reverse (132033320402), we get a palindrome (336056650633).
The spelling of 204023330231 in words is "two hundred four billion, twenty-three million, three hundred thirty thousand, two hundred thirty-one".
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