Base | Representation |
---|---|
bin | 11110010101111110111… |
… | …100000100111001101010 |
3 | 21101100020101122010001120 |
4 | 132111332330010321222 |
5 | 233130431314111430 |
6 | 4233531133000110 |
7 | 303435631332363 |
oct | 36257674047152 |
9 | 7340211563046 |
10 | 2085188816490 |
11 | 7343617a955a |
12 | 298159623036 |
13 | 12182b6978b0 |
14 | 72cd07dab6a |
15 | 39391c9d610 |
hex | 1e57ef04e6a |
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".
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