Search a number
-
+
203254143013441 = 1328155640334797
BaseRepresentation
bin101110001101101111001010…
…111111100101001001000001
3222122122220110200211002011001
4232031233022333211021001
5203120103441102412231
62000141355251452001
760545425066456012
oct5615571277451101
9878586420732131
10203254143013441
11598436639a7623
121a9680212b7001
138954a252c31c0
1438297a566d009
1518771901c1b61
hexb8dbcafe5241

203254143013441 has 8 divisors (see below), whose sum is σ = 219668041782504. Its totient is φ = 186951524914560.

The previous prime is 203254143013403. The next prime is 203254143013487. The reversal of 203254143013441 is 144310341452302.

It can be written as a sum of positive squares in 4 ways, for example, as 1945690214400 + 201308452799041 = 1394880^2 + 14188321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203254143013441 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 203254143013441.

It is not an unprimeable number, because it can be changed into a prime (203254143013541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27820163746 + ... + 27820171051.

It is an arithmetic number, because the mean of its divisors is an integer number (27458505222813).

Almost surely, 2203254143013441 is an apocalyptic number.

It is an amenable number.

203254143013441 is a deficient number, since it is larger than the sum of its proper divisors (16413898769063).

203254143013441 is a wasteful number, since it uses less digits than its factorization.

203254143013441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55640335091.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 203254143013441 its reverse (144310341452302), we get a palindrome (347564484465743).

The spelling of 203254143013441 in words is "two hundred three trillion, two hundred fifty-four billion, one hundred forty-three million, thirteen thousand, four hundred forty-one".

Divisors: 1 13 281 3653 55640334797 723324352361 15634934077957 203254143013441