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1438064162015 = 51343514513117
BaseRepresentation
bin10100111011010011010…
…011011011010011011111
312002110220011102120111012
4110323103103123103133
5142030123411141030
63020345413445435
7205616366456225
oct24732323332337
95073804376435
101438064162015
11504974802628
121b285894087b
13a57bb8b8570
144d861a60b15
1527619c0a095
hex14ed34db4df

1438064162015 has 16 divisors (see below), whose sum is σ = 1901640484128. Its totient is φ = 1037258441856.

The previous prime is 1438064161999. The next prime is 1438064162047. The reversal of 1438064162015 is 5102614608341.

It is not a de Polignac number, because 1438064162015 - 24 = 1438064161999 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 15 ways as a sum of consecutive naturals, for example, 257253764 + ... + 257259353.

It is an arithmetic number, because the mean of its divisors is an integer number (118852530258).

Almost surely, 21438064162015 is an apocalyptic number.

1438064162015 is a deficient number, since it is larger than the sum of its proper divisors (463576322113).

1438064162015 is a wasteful number, since it uses less digits than its factorization.

1438064162015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514513178.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 1438064162015 in words is "one trillion, four hundred thirty-eight billion, sixty-four million, one hundred sixty-two thousand, fifteen".

Divisors: 1 5 13 43 65 215 559 2795 514513117 2572565585 6688670521 22124064031 33443352605 110620320155 287612832403 1438064162015