Search a number
-
+
130440230221201 = 678119236134821
BaseRepresentation
bin11101101010001001111011…
…100101100011010110010001
3122002211222000220211122101021
4131222021323211203112101
5114044113042414034301
61141231225311235441
736321665334640225
oct3552117345432621
9562758026748337
10130440230221201
113862043343221a
1212768235218b81
1357a25cb881934
14242d4ab33a785
1510130b2ca28a1
hex76a27b963591

130440230221201 has 4 divisors (see below), whose sum is σ = 130459466362804. Its totient is φ = 130420994079600.

The previous prime is 130440230221019. The next prime is 130440230221261. The reversal of 130440230221201 is 102122032044031.

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 23363679292801 + 107076550928400 = 4833599^2 + 10347780^2 .

It is a cyclic number.

It is not a de Polignac number, because 130440230221201 - 211 = 130440230219153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130440230221261) 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, 9618060630 + ... + 9618074191.

It is an arithmetic number, because the mean of its divisors is an integer number (32614866590701).

Almost surely, 2130440230221201 is an apocalyptic number.

It is an amenable number.

130440230221201 is a deficient number, since it is larger than the sum of its proper divisors (19236141603).

130440230221201 is an equidigital number, since it uses as much as digits as its factorization.

130440230221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19236141602.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 130440230221201 its reverse (102122032044031), we get a palindrome (232562262265232).

The spelling of 130440230221201 in words is "one hundred thirty trillion, four hundred forty billion, two hundred thirty million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 6781 19236134821 130440230221201