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2440113105121 = 13799571768253
BaseRepresentation
bin100011100000100010000…
…100110010100011100001
322122021100200022002111221
4203200202010302203201
5304434322423330441
65104550020135041
7341202164113306
oct43404204624341
98567320262457
102440113105121
1186093426382a
12334ab0b37481
13149142506773
14861602630ad
15437162a08d1
hex238221328e1

2440113105121 has 4 divisors (see below), whose sum is σ = 2440116253332. Its totient is φ = 2440109956912.

The previous prime is 2440113105113. The next prime is 2440113105139. The reversal of 2440113105121 is 1215013110442.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1534068030625 + 906045074496 = 1238575^2 + 951864^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440113105121 - 23 = 2440113105113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440113105421) 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, 495831 + ... + 2264083.

It is an arithmetic number, because the mean of its divisors is an integer number (610029063333).

Almost surely, 22440113105121 is an apocalyptic number.

It is an amenable number.

2440113105121 is a deficient number, since it is larger than the sum of its proper divisors (3148211).

2440113105121 is a wasteful number, since it uses less digits than its factorization.

2440113105121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148210.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 2440113105121 its reverse (1215013110442), we get a palindrome (3655126215563).

The spelling of 2440113105121 in words is "two trillion, four hundred forty billion, one hundred thirteen million, one hundred five thousand, one hundred twenty-one".

Divisors: 1 1379957 1768253 2440113105121