Search a number
-
+
440230341241553 = 984367447221759
BaseRepresentation
bin110010000011000110001110…
…1000110111110101011010001
32010201201121110101212120201212
41210012030131012332223101
5430200213214324212203
64200143005443305505
7161504410151160302
oct14406143506765321
92121647411776655
10440230341241553
111182a8703938805
124145b70a67b295
1315b8470a107245
147a9d3956ba7a9
1535d6604d521d8
hex190631d1bead1

440230341241553 has 4 divisors (see below), whose sum is σ = 440230789447680. Its totient is φ = 440229893035428.

The previous prime is 440230341241511. The next prime is 440230341241657. The reversal of 440230341241553 is 355142143032044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440230341241553 - 28 = 440230341241297 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 440230341241553.

It is not an unprimeable number, because it can be changed into a prime (440230341241753) 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, 222626513 + ... + 224595246.

It is an arithmetic number, because the mean of its divisors is an integer number (110057697361920).

Almost surely, 2440230341241553 is an apocalyptic number.

It is an amenable number.

440230341241553 is a deficient number, since it is larger than the sum of its proper divisors (448206127).

440230341241553 is an equidigital number, since it uses as much as digits as its factorization.

440230341241553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448206126.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 440230341241553 its reverse (355142143032044), we get a palindrome (795372484273597).

The spelling of 440230341241553 in words is "four hundred forty trillion, two hundred thirty billion, three hundred forty-one million, two hundred forty-one thousand, five hundred fifty-three".

Divisors: 1 984367 447221759 440230341241553