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440412553013 = 1824712413603
BaseRepresentation
bin1100110100010101010…
…00100011111100110101
31120002210002220202211112
412122022220203330311
524203431103144023
6534153413244405
743550555635166
oct6321250437465
91502702822745
10440412553013
1115a86144a644
1271431333705
13326b9008ac4
141745d48176d
15b6c9723478
hex668aa23f35

440412553013 has 4 divisors (see below), whose sum is σ = 440415149088. Its totient is φ = 440409956940.

The previous prime is 440412552991. The next prime is 440412553099. The reversal of 440412553013 is 310355214044.

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 440412553013 - 26 = 440412552949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440412555013) 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, 1024331 + ... + 1389272.

It is an arithmetic number, because the mean of its divisors is an integer number (110103787272).

Almost surely, 2440412553013 is an apocalyptic number.

It is an amenable number.

440412553013 is a deficient number, since it is larger than the sum of its proper divisors (2596075).

440412553013 is a wasteful number, since it uses less digits than its factorization.

440412553013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596074.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 440412553013 its reverse (310355214044), we get a palindrome (750767767057).

The spelling of 440412553013 in words is "four hundred forty billion, four hundred twelve million, five hundred fifty-three thousand, thirteen".

Divisors: 1 182471 2413603 440412553013