Base | Representation |
---|---|
bin | 1011111001111110111… |
… | …0011110100110100111 |
3 | 201112221222011101111112 |
4 | 2332133232132212213 |
5 | 11322401031133411 |
6 | 233544343055235 |
7 | 20530525501463 |
oct | 2763756364647 |
9 | 645858141445 |
10 | 204543224231 |
11 | 79823354875 |
12 | 3378514151b |
13 | 1639964ac38 |
14 | 9c8563d4a3 |
15 | 54c224eb8b |
hex | 2f9fb9e9a7 |
204543224231 has 8 divisors (see below), whose sum is σ = 208025850240. Its totient is φ = 201061124728.
The previous prime is 204543224219. The next prime is 204543224243. The reversal of 204543224231 is 132422345402.
It is an interprime number because it is at equal distance from previous prime (204543224219) and next prime (204543224243).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 204543224231 - 218 = 204542962087 is a prime.
It is a super-2 number, since 2×2045432242312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (204543224251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695870 + ... + 945156.
It is an arithmetic number, because the mean of its divisors is an integer number (26003231280).
Almost surely, 2204543224231 is an apocalyptic number.
204543224231 is a deficient number, since it is larger than the sum of its proper divisors (3482626009).
204543224231 is a wasteful number, since it uses less digits than its factorization.
204543224231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263253.
The product of its (nonzero) digits is 46080, while the sum is 32.
Adding to 204543224231 its reverse (132422345402), we get a palindrome (336965569633).
The spelling of 204543224231 in words is "two hundred four billion, five hundred forty-three million, two hundred twenty-four thousand, two hundred thirty-one".
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