Search a number
-
+
103440623641 = 3117918641309
BaseRepresentation
bin110000001010110001…
…0101010100000011001
3100212222221210010120221
41200111202222200121
53143321244424031
6115304151320041
710321232536135
oct1402542524031
9325887703527
10103440623641
113a961598613
121806a080021
1399a6589c14
145013da43c5
152a56318a11
hex18158aa819

103440623641 has 8 divisors (see below), whose sum is σ = 107373945600. Its totient is φ = 99544584720.

The previous prime is 103440623633. The next prime is 103440623687. The reversal of 103440623641 is 146326044301.

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

It is a cyclic number.

It is not a de Polignac number, because 103440623641 - 23 = 103440623633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103440623597 and 103440623606.

It is not an unprimeable number, because it can be changed into a prime (103440623941) 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, 9315106 + ... + 9326203.

It is an arithmetic number, because the mean of its divisors is an integer number (13421743200).

Almost surely, 2103440623641 is an apocalyptic number.

It is an amenable number.

103440623641 is a deficient number, since it is larger than the sum of its proper divisors (3933321959).

103440623641 is a wasteful number, since it uses less digits than its factorization.

103440623641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18641519.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 103440623641 its reverse (146326044301), we get a palindrome (249766667942).

The spelling of 103440623641 in words is "one hundred three billion, four hundred forty million, six hundred twenty-three thousand, six hundred forty-one".

Divisors: 1 31 179 5549 18641309 577880579 3336794311 103440623641