Base | Representation |
---|---|
bin | 110010011000110000… |
… | …1111001110000001010 |
3 | 101100022000002022120000 |
4 | 1210301201321300022 |
5 | 3233101004401130 |
6 | 121413031543430 |
7 | 10550265425133 |
oct | 1446141716012 |
9 | 340260068500 |
10 | 108205153290 |
11 | 41986a96223 |
12 | 18b7982ab76 |
13 | a2856c2630 |
14 | 5346a8cc8a |
15 | 2c3475b260 |
hex | 1931879c0a |
108205153290 has 80 divisors (see below), whose sum is σ = 313332559848. Its totient is φ = 26635112064.
The previous prime is 108205153279. The next prime is 108205153319. The reversal of 108205153290 is 92351502801.
108205153290 is a `hidden beast` number, since 1 + 0 + 8 + 20 + 515 + 32 + 90 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 65990930769 + 42214222521 = 256887^2 + 205461^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5127417 + ... + 5148476.
Almost surely, 2108205153290 is an apocalyptic number.
108205153290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
108205153290 is an abundant number, since it is smaller than the sum of its proper divisors (205127406558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108205153290 is a wasteful number, since it uses less digits than its factorization.
108205153290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10275925 (or 10275916 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 36.
The spelling of 108205153290 in words is "one hundred eight billion, two hundred five million, one hundred fifty-three thousand, two hundred ninety".
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