Search a number
-
+
205235023103321 = 2397210031191013
BaseRepresentation
bin101110101010100100000000…
…101001011100010101011001
3222220200021110122011212012212
4232222210000221130111121
5203400032311403301241
62004255400142444505
761141512124432631
oct5652440051342531
9886607418155185
10205235023103321
115a4377590919a2
121b027b09b93735
138a6976c5c4a93
1438975dca8d6c1
1518ad97982abeb
hexbaa900a5c559

205235023103321 has 8 divisors (see below), whose sum is σ = 206094205933440. Its totient is φ = 204375844097712.

The previous prime is 205235023103317. The next prime is 205235023103323. The reversal of 205235023103321 is 123301320532502.

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 205235023103321 - 22 = 205235023103317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205235023103323) 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, 171724211 + ... + 172915223.

It is an arithmetic number, because the mean of its divisors is an integer number (25761775741680).

Almost surely, 2205235023103321 is an apocalyptic number.

It is an amenable number.

205235023103321 is a deficient number, since it is larger than the sum of its proper divisors (859182830119).

205235023103321 is a wasteful number, since it uses less digits than its factorization.

205235023103321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912255.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 205235023103321 its reverse (123301320532502), we get a palindrome (328536343635823).

The spelling of 205235023103321 in words is "two hundred five trillion, two hundred thirty-five billion, twenty-three million, one hundred three thousand, three hundred twenty-one".

Divisors: 1 239 721003 1191013 172319717 284652107 858723946039 205235023103321