Search a number
-
+
321454341544001 = 1718909078914353
BaseRepresentation
bin100100100010111000110101…
…1110101101101100001000001
31120011011201211202121100100112
41021011301223311231201001
5314113201442413402001
63055402030313001105
7124465211151616331
oct11105615365554101
91504151752540315
10321454341544001
1193475025560096
12300780086b3195
1310a4a025669183
14595468a44d0c1
152726b72437cbb
hex1245c6bd6d841

321454341544001 has 4 divisors (see below), whose sum is σ = 340363420458372. Its totient is φ = 302545262629632.

The previous prime is 321454341543977. The next prime is 321454341544003. The reversal of 321454341544001 is 100445143454123.

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 135793550996401 + 185660790547600 = 11653049^2 + 13625740^2 .

It is a cyclic number.

It is not a de Polignac number, because 321454341544001 - 210 = 321454341542977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321454341544001.

It is not an unprimeable number, because it can be changed into a prime (321454341544003) 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 3 ways as a sum of consecutive naturals, for example, 9454539457160 + ... + 9454539457193.

It is an arithmetic number, because the mean of its divisors is an integer number (85090855114593).

Almost surely, 2321454341544001 is an apocalyptic number.

It is an amenable number.

321454341544001 is a deficient number, since it is larger than the sum of its proper divisors (18909078914371).

321454341544001 is a wasteful number, since it uses less digits than its factorization.

321454341544001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18909078914370.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 321454341544001 its reverse (100445143454123), we get a palindrome (421899484998124).

The spelling of 321454341544001 in words is "three hundred twenty-one trillion, four hundred fifty-four billion, three hundred forty-one million, five hundred forty-four thousand, one".

Divisors: 1 17 18909078914353 321454341544001