Base | Representation |
---|---|
bin | 1110001001101100100… |
… | …1111010010100000001 |
3 | 212020112112111101202122 |
4 | 3202123021322110001 |
5 | 12440403014011301 |
6 | 303404403454025 |
7 | 23364525254615 |
oct | 3423311722401 |
9 | 766475441678 |
10 | 243121235201 |
11 | 9411a665469 |
12 | 3b150987315 |
13 | 19c06c23170 |
14 | baa5013345 |
15 | 64cde9b81b |
hex | 389b27a501 |
243121235201 has 32 divisors (see below), whose sum is σ = 287960520960. Its totient is φ = 203349129984.
The previous prime is 243121235183. The next prime is 243121235213. The reversal of 243121235201 is 102532121342.
It is not a de Polignac number, because 243121235201 - 230 = 242047493377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (243121235501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195050 + ... + 724076.
It is an arithmetic number, because the mean of its divisors is an integer number (8998766280).
Almost surely, 2243121235201 is an apocalyptic number.
It is an amenable number.
243121235201 is a deficient number, since it is larger than the sum of its proper divisors (44839285759).
243121235201 is a wasteful number, since it uses less digits than its factorization.
243121235201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 529145.
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 243121235201 its reverse (102532121342), we get a palindrome (345653356543).
The spelling of 243121235201 in words is "two hundred forty-three billion, one hundred twenty-one million, two hundred thirty-five thousand, two hundred one".
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