Base | Representation |
---|---|
bin | 1111000001000101… |
… | …00111101000000001 |
3 | 202210212100002102100 |
4 | 13200202213220001 |
5 | 113002401421011 |
6 | 3411555341013 |
7 | 403534023036 |
oct | 74042475001 |
9 | 22725302370 |
10 | 8062138881 |
11 | 346795a2a5 |
12 | 168bbb1769 |
13 | 9b638b7a4 |
14 | 566a4138d |
15 | 322bc1d56 |
hex | 1e08a7a01 |
8062138881 has 24 divisors (see below), whose sum is σ = 12680928000. Its totient is φ = 4916292192.
The previous prime is 8062138867. The next prime is 8062138897. The reversal of 8062138881 is 1888312608.
It is not a de Polignac number, because 8062138881 - 26 = 8062138817 is a prime.
It is a super-2 number, since 2×80621388812 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8062138811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 807921 + ... + 817838.
It is an arithmetic number, because the mean of its divisors is an integer number (528372000).
Almost surely, 28062138881 is an apocalyptic number.
It is an amenable number.
8062138881 is a deficient number, since it is larger than the sum of its proper divisors (4618789119).
8062138881 is a wasteful number, since it uses less digits than its factorization.
8062138881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1625813 (or 1625810 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 45.
The square root of 8062138881 is about 89789.4140809483. The cubic root of 8062138881 is about 2005.1648905545.
The spelling of 8062138881 in words is "eight billion, sixty-two million, one hundred thirty-eight thousand, eight hundred eighty-one".
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