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2013444445 = 5479983911
BaseRepresentation
bin111100000000010…
…1011100101011101
312012022122120112111
41320000223211131
513110420210240
6531443034021
7100615665265
oct17000534535
95168576474
102013444445
1194359a681
1248236b911
132611a395c
141515987a5
15bbb6b1ea
hex7802b95d

2013444445 has 8 divisors (see below), whose sum is σ = 2416665600. Its totient is φ = 1610400720.

The previous prime is 2013444439. The next prime is 2013444467. The reversal of 2013444445 is 5444443102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2013444445 - 25 = 2013444413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17961 + ... + 65950.

It is an arithmetic number, because the mean of its divisors is an integer number (302083200).

Almost surely, 22013444445 is an apocalyptic number.

It is an amenable number.

2013444445 is a deficient number, since it is larger than the sum of its proper divisors (403221155).

2013444445 is an equidigital number, since it uses as much as digits as its factorization.

2013444445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88715.

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 2013444445 is about 44871.4212500563. The cubic root of 2013444445 is about 1262.7379039954.

Adding to 2013444445 its reverse (5444443102), we get a palindrome (7457887547).

The spelling of 2013444445 in words is "two billion, thirteen million, four hundred forty-four thousand, four hundred forty-five".

Divisors: 1 5 4799 23995 83911 419555 402688889 2013444445