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14665161313505 = 54171537372261
BaseRepresentation
bin1101010101100111111110…
…1110110000110011100001
31220220222100022021201002102
43111121333232300303201
53410233222244013010
651105025422300145
73042344240260403
oct325317756606341
956828308251072
1014665161313505
11474450727249a
12178a258a27655
13824bc372a7a1
14389b24858b73
151a671b68bba5
hexd567fbb0ce1

14665161313505 has 8 divisors (see below), whose sum is σ = 18027417810024. Its totient is φ = 11445979561600.

The previous prime is 14665161313487. The next prime is 14665161313513. The reversal of 14665161313505 is 50531316156641.

It can be written as a sum of positive squares in 4 ways, for example, as 6952724689 + 14658208588816 = 83383^2 + 3828604^2 .

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

It is not a de Polignac number, because 14665161313505 - 28 = 14665161313249 is a prime.

It is a super-2 number, since 2×146651613135052 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14665161313505.

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, 35768685926 + ... + 35768686335.

It is an arithmetic number, because the mean of its divisors is an integer number (2253427226253).

Almost surely, 214665161313505 is an apocalyptic number.

It is an amenable number.

14665161313505 is a deficient number, since it is larger than the sum of its proper divisors (3362256496519).

14665161313505 is an equidigital number, since it uses as much as digits as its factorization.

14665161313505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71537372307.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 14665161313505 in words is "fourteen trillion, six hundred sixty-five billion, one hundred sixty-one million, three hundred thirteen thousand, five hundred five".

Divisors: 1 5 41 205 71537372261 357686861305 2933032262701 14665161313505