Base | Representation |
---|---|
bin | 100111100111100001… |
… | …0010010010111000011 |
3 | 22010121020000011220112 |
4 | 1033033002102113003 |
5 | 2343214413034302 |
6 | 103030105501535 |
7 | 6101210615330 |
oct | 1171702222703 |
9 | 263536004815 |
10 | 85077861827 |
11 | 33099264902 |
12 | 145a44a18ab |
13 | 803b15579a |
14 | 4191307987 |
15 | 232e1a5552 |
hex | 13cf0925c3 |
85077861827 has 8 divisors (see below), whose sum is σ = 99859730016. Its totient is φ = 70952965632.
The previous prime is 85077861809. The next prime is 85077861839. The reversal of 85077861827 is 72816877058.
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 85077861827 - 214 = 85077845443 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85077831827) 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, 164242718 + ... + 164243235.
It is an arithmetic number, because the mean of its divisors is an integer number (12482466252).
Almost surely, 285077861827 is an apocalyptic number.
85077861827 is a deficient number, since it is larger than the sum of its proper divisors (14781868189).
85077861827 is a wasteful number, since it uses less digits than its factorization.
85077861827 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328485997.
The product of its (nonzero) digits is 10536960, while the sum is 59.
The spelling of 85077861827 in words is "eighty-five billion, seventy-seven million, eight hundred sixty-one thousand, eight hundred twenty-seven".
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