Search a number
-
+
20300310232321 = 72900044318903
BaseRepresentation
bin1001001110110100010001…
…10001111011110100000001
32122212200122112010222010211
410213122020301323310001
510130100013404413241
6111101500032354121
74163435416621540
oct447321061736401
978780575128124
1020300310232321
116517349997489
12233a4049a5941
13b43407483962
1450277c678157
152530ce8c5781
hex127688c7bd01

20300310232321 has 4 divisors (see below), whose sum is σ = 23200354551232. Its totient is φ = 17400265913412.

The previous prime is 20300310232313. The next prime is 20300310232361. The reversal of 20300310232321 is 12323201300302.

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 20300310232321 - 23 = 20300310232313 is a prime.

It is a super-3 number, since 3×203003102323213 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20300310232292 and 20300310232301.

It is not an unprimeable number, because it can be changed into a prime (20300310232361) 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, 1450022159445 + ... + 1450022159458.

It is an arithmetic number, because the mean of its divisors is an integer number (5800088637808).

Almost surely, 220300310232321 is an apocalyptic number.

It is an amenable number.

20300310232321 is a deficient number, since it is larger than the sum of its proper divisors (2900044318911).

20300310232321 is an equidigital number, since it uses as much as digits as its factorization.

20300310232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900044318910.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20300310232321 its reverse (12323201300302), we get a palindrome (32623511532623).

The spelling of 20300310232321 in words is "twenty trillion, three hundred billion, three hundred ten million, two hundred thirty-two thousand, three hundred twenty-one".

Divisors: 1 7 2900044318903 20300310232321