Search a number
-
+
440123034121 = 2940133781873
BaseRepresentation
bin1100110011110010110…
…00001000101000001001
31120002000221010200120121
412121321120020220021
524202332444042441
6534104552023241
743540442030611
oct6317130105011
91502027120517
10440123034121
1115a722a84831
1271370391b21
133267103a854
1417432c39a41
15b6ae0d4dd1
hex6679608a09

440123034121 has 8 divisors (see below), whose sum is σ = 455413267080. Its totient is φ = 424840372992.

The previous prime is 440123034101. The next prime is 440123034149. The reversal of 440123034121 is 121430321044.

It can be written as a sum of positive squares in 4 ways, for example, as 39307424121 + 400815610000 = 198261^2 + 633100^2 .

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 440123034121 - 27 = 440123033993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440123034101) 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, 1774560 + ... + 2007313.

It is an arithmetic number, because the mean of its divisors is an integer number (56926658385).

Almost surely, 2440123034121 is an apocalyptic number.

It is an amenable number.

440123034121 is a deficient number, since it is larger than the sum of its proper divisors (15290232959).

440123034121 is a wasteful number, since it uses less digits than its factorization.

440123034121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785915.

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

Adding to 440123034121 its reverse (121430321044), we get a palindrome (561553355165).

The spelling of 440123034121 in words is "four hundred forty billion, one hundred twenty-three million, thirty-four thousand, one hundred twenty-one".

Divisors: 1 29 4013 116377 3781873 109674317 15176656349 440123034121