Search a number
-
+
130221440043041 = 520957249965813
BaseRepresentation
bin11101100110111110001010…
…101011010000100000100001
3122002002001022001112000012102
4131212332022223100200201
5114032022002122334131
61140542523110340145
736300121452052544
oct3546761253204041
9562061261460172
10130221440043041
113854666a047066
121273195495a655
135787aa170aa59
142422a738dc85b
15100c559ddd1cb
hex766f8aad0821

130221440043041 has 4 divisors (see below), whose sum is σ = 130221690529812. Its totient is φ = 130221189556272.

The previous prime is 130221440043011. The next prime is 130221440043077. The reversal of 130221440043041 is 140340044122031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31703825278225 + 98517614764816 = 5630615^2 + 9925604^2 .

It is a cyclic number.

It is not a de Polignac number, because 130221440043041 - 246 = 59852695865377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130221440042995 and 130221440043013.

It is not an unprimeable number, because it can be changed into a prime (130221440043011) 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, 124461950 + ... + 125503863.

It is an arithmetic number, because the mean of its divisors is an integer number (32555422632453).

Almost surely, 2130221440043041 is an apocalyptic number.

It is an amenable number.

130221440043041 is a deficient number, since it is larger than the sum of its proper divisors (250486771).

130221440043041 is an equidigital number, since it uses as much as digits as its factorization.

130221440043041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250486770.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 130221440043041 its reverse (140340044122031), we get a palindrome (270561484165072).

The spelling of 130221440043041 in words is "one hundred thirty trillion, two hundred twenty-one billion, four hundred forty million, forty-three thousand, forty-one".

Divisors: 1 520957 249965813 130221440043041