Base | Representation |
---|---|
bin | 1111011001110101… |
… | …00101111101111100 |
3 | 210100022222211112020 |
4 | 13230322211331330 |
5 | 113414024001030 |
6 | 3444333240140 |
7 | 411634500501 |
oct | 75472457574 |
9 | 23308884466 |
10 | 8269750140 |
11 | 3564070753 |
12 | 1729633050 |
13 | a1a3ac2a2 |
14 | 5864454a8 |
15 | 336031510 |
hex | 1ecea5f7c |
8269750140 has 24 divisors (see below), whose sum is σ = 23155300560. Its totient is φ = 2205266688.
The previous prime is 8269750129. The next prime is 8269750141. The reversal of 8269750140 is 410579628.
It is a junction number, because it is equal to n+sod(n) for n = 8269750092 and 8269750101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8269750141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68914525 + ... + 68914644.
It is an arithmetic number, because the mean of its divisors is an integer number (964804190).
Almost surely, 28269750140 is an apocalyptic number.
It is an amenable number.
8269750140 is an abundant number, since it is smaller than the sum of its proper divisors (14885550420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8269750140 is a wasteful number, since it uses less digits than its factorization.
8269750140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137829181 (or 137829179 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 42.
The square root of 8269750140 is about 90938.1665748766. The cubic root of 8269750140 is about 2022.2311507050.
The spelling of 8269750140 in words is "eight billion, two hundred sixty-nine million, seven hundred fifty thousand, one hundred forty".
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