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2087969329345 = 5417593865869
BaseRepresentation
bin11110011000100100101…
…010111001000011000001
321101121102011122210122011
4132120210222321003001
5233202130122014340
64235111101012521
7303564553316014
oct36304452710301
97347364583564
102087969329345
11735559286a69
122987b4854141
13121b82760c83
14730b5bcb37b
15394a5e390ea
hex1e624ab90c1

2087969329345 has 4 divisors (see below), whose sum is σ = 2505563195220. Its totient is φ = 1670375463472.

The previous prime is 2087969329297. The next prime is 2087969329427. The reversal of 2087969329345 is 5439239697802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 836363291841 + 1251606037504 = 914529^2 + 1118752^2 .

It is a cyclic number.

It is not a de Polignac number, because 2087969329345 - 231 = 2085821845697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208796932930 + ... + 208796932939.

It is an arithmetic number, because the mean of its divisors is an integer number (626390798805).

Almost surely, 22087969329345 is an apocalyptic number.

It is an amenable number.

2087969329345 is a deficient number, since it is larger than the sum of its proper divisors (417593865875).

2087969329345 is an equidigital number, since it uses as much as digits as its factorization.

2087969329345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417593865874.

The product of its (nonzero) digits is 176359680, while the sum is 67.

The spelling of 2087969329345 in words is "two trillion, eighty-seven billion, nine hundred sixty-nine million, three hundred twenty-nine thousand, three hundred forty-five".

Divisors: 1 5 417593865869 2087969329345