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1444111116815 = 51481231949881
BaseRepresentation
bin10101000000111011101…
…110101110101000001111
312010001111120211201001002
4111000323232232220033
5142130014421214230
63023225425010515
7206222263650113
oct25007356565017
95101446751032
101444111116815
11507498094234
121b3a65a83a3b
13a6243614623
144dc76bb3743
1527870a1a545
hex1503bbaea0f

1444111116815 has 8 divisors (see below), whose sum is σ = 1732945928208. Its totient is φ = 1155280501440.

The previous prime is 1444111116793. The next prime is 1444111116901. The reversal of 1444111116815 is 5186111114441.

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

It is not a de Polignac number, because 1444111116815 - 214 = 1444111100431 is a prime.

It is a Duffinian number.

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, 234326 + ... + 1715555.

It is an arithmetic number, because the mean of its divisors is an integer number (216618241026).

Almost surely, 21444111116815 is an apocalyptic number.

1444111116815 is a deficient number, since it is larger than the sum of its proper divisors (288834811393).

1444111116815 is a wasteful number, since it uses less digits than its factorization.

1444111116815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098009.

The product of its digits is 15360, while the sum is 38.

The spelling of 1444111116815 in words is "one trillion, four hundred forty-four billion, one hundred eleven million, one hundred sixteen thousand, eight hundred fifteen".

Divisors: 1 5 148123 740615 1949881 9749405 288822223363 1444111116815