Base | Representation |
---|---|
bin | 1111001010101101… |
… | …00110100100000110 |
3 | 210000111020220101202 |
4 | 13211112212210012 |
5 | 113134033444021 |
6 | 3424002022502 |
7 | 405534203006 |
oct | 74526464406 |
9 | 23014226352 |
10 | 8142874886 |
11 | 34a9493473 |
12 | 16b3047a32 |
13 | 9ca018b83 |
14 | 57365a006 |
15 | 329d1da0b |
hex | 1e55a6906 |
8142874886 has 4 divisors (see below), whose sum is σ = 12214312332. Its totient is φ = 4071437442.
The previous prime is 8142874877. The next prime is 8142874889. The reversal of 8142874886 is 6884782418.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×81428748862 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8142874889) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2035718720 + ... + 2035718723.
It is an arithmetic number, because the mean of its divisors is an integer number (3053578083).
Almost surely, 28142874886 is an apocalyptic number.
8142874886 is a deficient number, since it is larger than the sum of its proper divisors (4071437446).
8142874886 is a wasteful number, since it uses less digits than its factorization.
8142874886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4071437445.
The product of its digits is 5505024, while the sum is 56.
The square root of 8142874886 is about 90237.8794409532. The cubic root of 8142874886 is about 2011.8360562084.
The spelling of 8142874886 in words is "eight billion, one hundred forty-two million, eight hundred seventy-four thousand, eight hundred eighty-six".
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