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444531110011 = 2157232060657
BaseRepresentation
bin1100111100000000001…
…11100111000001111011
31120111102010201010220121
412132000013213001323
524240344431010021
6540114220234111
744054616043042
oct6360007470173
91514363633817
10444531110011
1116158524a45a
12721a069b937
1332bc436a691
1417730457559
15b86b0b6741
hex67801e707b

444531110011 has 4 divisors (see below), whose sum is σ = 444533386392. Its totient is φ = 444528833632.

The previous prime is 444531109999. The next prime is 444531110021. The reversal of 444531110011 is 110011135444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444531110011 - 29 = 444531109499 is a prime.

It is a super-2 number, since 2×4445311100112 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444531110021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814606 + ... + 1246051.

It is an arithmetic number, because the mean of its divisors is an integer number (111133346598).

Almost surely, 2444531110011 is an apocalyptic number.

444531110011 is a deficient number, since it is larger than the sum of its proper divisors (2276381).

444531110011 is a wasteful number, since it uses less digits than its factorization.

444531110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276380.

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

Adding to 444531110011 its reverse (110011135444), we get a palindrome (554542245455).

The spelling of 444531110011 in words is "four hundred forty-four billion, five hundred thirty-one million, one hundred ten thousand, eleven".

Divisors: 1 215723 2060657 444531110011