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1331040444443 = 26891783727751
BaseRepresentation
bin10011010111101000001…
…100010110000000011011
311201020122111102102001122
4103113220030112000123
5133301432323210233
62455245504035455
7165110265050063
oct23275014260033
94636574372048
101331040444443
114735446a3566
12195b6a902b8b
1398693bba628
14485cbc6c3a3
152495406dd98
hex135e831601b

1331040444443 has 8 divisors (see below), whose sum is σ = 1331658073440. Its totient is φ = 1330422912000.

The previous prime is 1331040444439. The next prime is 1331040444449. The reversal of 1331040444443 is 3444440401331.

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 1331040444443 - 22 = 1331040444439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331040444449) 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, 47949818 + ... + 47977568.

It is an arithmetic number, because the mean of its divisors is an integer number (166457259180).

Almost surely, 21331040444443 is an apocalyptic number.

1331040444443 is a deficient number, since it is larger than the sum of its proper divisors (617628997).

1331040444443 is a wasteful number, since it uses less digits than its factorization.

1331040444443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48277.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 1331040444443 its reverse (3444440401331), we get a palindrome (4775480845774).

The spelling of 1331040444443 in words is "one trillion, three hundred thirty-one billion, forty million, four hundred forty-four thousand, four hundred forty-three".

Divisors: 1 2689 17837 27751 47963693 74622439 494994587 1331040444443