Base | Representation |
---|---|
bin | 1111001000010101… |
… | …01111001000110110 |
3 | 202222002211111102200 |
4 | 13210022233020312 |
5 | 113113441041222 |
6 | 3422011445330 |
7 | 405203152011 |
oct | 74412571066 |
9 | 22862744380 |
10 | 8122987062 |
11 | 349923a453 |
12 | 16a8456846 |
13 | 9c5b74828 |
14 | 570b60378 |
15 | 3281e0eac |
hex | 1e42af236 |
8122987062 has 48 divisors (see below), whose sum is σ = 17878468608. Its totient is φ = 2665036080.
The previous prime is 8122987057. The next prime is 8122987063. The reversal of 8122987062 is 2607892218.
It is a junction number, because it is equal to n+sod(n) for n = 8122986999 and 8122987017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8122987063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394843 + ... + 414905.
It is an arithmetic number, because the mean of its divisors is an integer number (372468096).
Almost surely, 28122987062 is an apocalyptic number.
8122987062 is an abundant number, since it is smaller than the sum of its proper divisors (9755481546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8122987062 is a wasteful number, since it uses less digits than its factorization.
8122987062 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20425 (or 20422 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The square root of 8122987062 is about 90127.6154239088. The cubic root of 8122987062 is about 2010.1968456507.
The spelling of 8122987062 in words is "eight billion, one hundred twenty-two million, nine hundred eighty-seven thousand, sixty-two".
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