Search a number
-
+
1303220231201 = 7226596331249
BaseRepresentation
bin10010111101101101111…
…110101001110000100001
311121120211122210010222102
4102331231332221300201
5132322443334344301
62434405140220145
7163104004122500
oct22755576516041
94546748703872
101303220231201
11462768933599
121906a599a655
1395b7c2ca6a5
144710d11c837
1523d769bcb6b
hex12f6dfa9c21

1303220231201 has 6 divisors (see below), whose sum is σ = 1515990881250. Its totient is φ = 1117045912416.

The previous prime is 1303220231189. The next prime is 1303220231233. The reversal of 1303220231201 is 1021320223031.

It can be written as a sum of positive squares in only one way, i.e., 747783915025 + 555436316176 = 864745^2 + 745276^2 .

It is not a de Polignac number, because 1303220231201 - 218 = 1303219969057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303220231501) 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 5 ways as a sum of consecutive naturals, for example, 13298165576 + ... + 13298165673.

It is an arithmetic number, because the mean of its divisors is an integer number (252665146875).

Almost surely, 21303220231201 is an apocalyptic number.

It is an amenable number.

1303220231201 is a deficient number, since it is larger than the sum of its proper divisors (212770650049).

1303220231201 is an equidigital number, since it uses as much as digits as its factorization.

1303220231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26596331263 (or 26596331256 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1303220231201 its reverse (1021320223031), we get a palindrome (2324540454232).

The spelling of 1303220231201 in words is "one trillion, three hundred three billion, two hundred twenty million, two hundred thirty-one thousand, two hundred one".

Divisors: 1 7 49 26596331249 186174318743 1303220231201