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1444740344415 = 33515316990059
BaseRepresentation
bin10101000001100001001…
…111000010101001011111
312010010010102211210001000
4111001201033002221133
5142132312012010130
63023412103321343
7206244004206654
oct25014117025137
95103112753030
101444740344415
11507790295245
121b4000750253
13a6313aa4754
144dcd65a7c2b
15278aadad260
hex150613c2a5f

1444740344415 has 32 divisors (see below), whose sum is σ = 2570105260800. Its totient is φ = 770024789280.

The previous prime is 1444740344389. The next prime is 1444740344447. The reversal of 1444740344415 is 5144430474441.

1444740344415 is a `hidden beast` number, since 144 + 474 + 0 + 34 + 4 + 4 + 1 + 5 = 666.

It is not a de Polignac number, because 1444740344415 - 26 = 1444740344351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3288345 + ... + 3701714.

It is an arithmetic number, because the mean of its divisors is an integer number (80315789400).

Almost surely, 21444740344415 is an apocalyptic number.

1444740344415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1444740344415 is a deficient number, since it is larger than the sum of its proper divisors (1125364916385).

1444740344415 is a wasteful number, since it uses less digits than its factorization.

1444740344415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991604 (or 6991598 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 45.

The spelling of 1444740344415 in words is "one trillion, four hundred forty-four billion, seven hundred forty million, three hundred forty-four thousand, four hundred fifteen".

Divisors: 1 3 5 9 15 27 45 135 1531 4593 7655 13779 22965 41337 68895 206685 6990059 20970177 34950295 62910531 104850885 188731593 314552655 943657965 10701780329 32105340987 53508901645 96316022961 160526704935 288948068883 481580114805 1444740344415