Base | Representation |
---|---|
bin | 1111000000111101… |
… | …10110111001110001 |
3 | 202210210110222212211 |
4 | 13200132312321301 |
5 | 113002123343011 |
6 | 3411522252121 |
7 | 403522445305 |
oct | 74036667161 |
9 | 22723428784 |
10 | 8061152881 |
11 | 3467346521 |
12 | 168b7b7041 |
13 | 9b6104a62 |
14 | 566865d05 |
15 | 322a79b21 |
hex | 1e07b6e71 |
8061152881 has 8 divisors (see below), whose sum is σ = 8346220200. Its totient is φ = 7776558720.
The previous prime is 8061152851. The next prime is 8061152909. The reversal of 8061152881 is 1882511608.
It can be written as a sum of positive squares in 4 ways, for example, as 5849802256 + 2211350625 = 76484^2 + 47025^2 .
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 8061152881 - 25 = 8061152849 is a prime.
It is a super-2 number, since 2×80611528812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8061152851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83436 + ... + 151933.
It is an arithmetic number, because the mean of its divisors is an integer number (1043277525).
Almost surely, 28061152881 is an apocalyptic number.
It is an amenable number.
8061152881 is a deficient number, since it is larger than the sum of its proper divisors (285067319).
8061152881 is a wasteful number, since it uses less digits than its factorization.
8061152881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236579.
The product of its (nonzero) digits is 30720, while the sum is 40.
The square root of 8061152881 is about 89783.9232880809. The cubic root of 8061152881 is about 2005.0831432988.
The spelling of 8061152881 in words is "eight billion, sixty-one million, one hundred fifty-two thousand, eight hundred eighty-one".
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