Base | Representation |
---|---|
bin | 10000101001101101… |
… | …01110111100011001 |
3 | 212002000212021010120 |
4 | 20110312232330121 |
5 | 121302043430334 |
6 | 4035031303453 |
7 | 434352163323 |
oct | 102466567431 |
9 | 25060767116 |
10 | 8939826969 |
11 | 3878332357 |
12 | 1895b1ab89 |
13 | ac6172658 |
14 | 60b430613 |
15 | 374c92949 |
hex | 214daef19 |
8939826969 has 16 divisors (see below), whose sum is σ = 12229099200. Its totient is φ = 5807008256.
The previous prime is 8939826943. The next prime is 8939826977. The reversal of 8939826969 is 9696289398.
It is a cyclic number.
It is not a de Polignac number, because 8939826969 - 25 = 8939826937 is a prime.
It is a super-2 number, since 2×89398269692 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8939826989) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203484 + ... + 243485.
It is an arithmetic number, because the mean of its divisors is an integer number (764318700).
Almost surely, 28939826969 is an apocalyptic number.
It is an amenable number.
8939826969 is a deficient number, since it is larger than the sum of its proper divisors (3289272231).
8939826969 is a wasteful number, since it uses less digits than its factorization.
8939826969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 447144.
The product of its digits is 90699264, while the sum is 69.
The square root of 8939826969 is about 94550.6582155830. The cubic root of 8939826969 is about 2075.4377143268.
The spelling of 8939826969 in words is "eight billion, nine hundred thirty-nine million, eight hundred twenty-six thousand, nine hundred sixty-nine".
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