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2117344522087 = 19732911520503
BaseRepresentation
bin11110110011111011100…
…100010110111101100111
321111102020101021012120201
4132303323210112331213
5234142310144201322
64300410013211331
7305654525325244
oct36637344267547
97442211235521
102117344522087
11746a62869063
122a2432490b47
13124884552c22
14746a12725cb
153a124c94d27
hex1ecfb916f67

2117344522087 has 8 divisors (see below), whose sum is σ = 2228815583360. Its totient is φ = 2005876648440.

The previous prime is 2117344522043. The next prime is 2117344522091. The reversal of 2117344522087 is 7802254437112.

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

It is a cyclic number.

It is not a de Polignac number, because 2117344522087 - 231 = 2115197038439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117344522187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632278 + ... + 2152780.

It is an arithmetic number, because the mean of its divisors is an integer number (278601947920).

Almost surely, 22117344522087 is an apocalyptic number.

2117344522087 is a deficient number, since it is larger than the sum of its proper divisors (111471061273).

2117344522087 is a wasteful number, since it uses less digits than its factorization.

2117344522087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593813.

The product of its (nonzero) digits is 752640, while the sum is 46.

Adding to 2117344522087 its reverse (7802254437112), we get a palindrome (9919598959199).

The spelling of 2117344522087 in words is "two trillion, one hundred seventeen billion, three hundred forty-four million, five hundred twenty-two thousand, eighty-seven".

Divisors: 1 19 73291 1392529 1520503 28889557 111439185373 2117344522087