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2085188816490 = 235135346637991
BaseRepresentation
bin11110010101111110111…
…100000100111001101010
321101100020101122010001120
4132111332330010321222
5233130431314111430
64233531133000110
7303435631332363
oct36257674047152
97340211563046
102085188816490
117343617a955a
12298159623036
1312182b6978b0
1472cd07dab6a
1539391c9d610
hex1e57ef04e6a

2085188816490 has 32 divisors (see below), whose sum is σ = 5389411095936. Its totient is φ = 513277247040.

The previous prime is 2085188816483. The next prime is 2085188816507. The reversal of 2085188816490 is 946188815802.

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, 2673318606 + ... + 2673319385.

It is an arithmetic number, because the mean of its divisors is an integer number (168419096748).

Almost surely, 22085188816490 is an apocalyptic number.

2085188816490 is an abundant number, since it is smaller than the sum of its proper divisors (3304222279446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2085188816490 is a wasteful number, since it uses less digits than its factorization.

2085188816490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5346638014.

The product of its (nonzero) digits is 8847360, while the sum is 60.

The spelling of 2085188816490 in words is "two trillion, eighty-five billion, one hundred eighty-eight million, eight hundred sixteen thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 5346637991 10693275982 16039913973 26733189955 32079827946 53466379910 69506293883 80199569865 139012587766 160399139730 208518881649 347531469415 417037763298 695062938830 1042594408245 2085188816490