Base | Representation |
---|---|
bin | 100000001101001… |
… | …1111111111100001 |
3 | 2210022111200002001 |
4 | 1000122133333201 |
5 | 4203124013414 |
6 | 255122524001 |
7 | 35531462440 |
oct | 10032377741 |
9 | 2708450061 |
10 | 1080688609 |
11 | 505025390 |
12 | 261b06601 |
13 | 142b7bb20 |
14 | a3752d57 |
15 | 64d1e074 |
hex | 4069ffe1 |
1080688609 has 16 divisors (see below), whose sum is σ = 1450995840. Its totient is φ = 777317760.
The previous prime is 1080688597. The next prime is 1080688699. The reversal of 1080688609 is 9068860801.
It is a cyclic number.
It is not a de Polignac number, because 1080688609 - 27 = 1080688481 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1080688699) 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 15 ways as a sum of consecutive naturals, for example, 538804 + ... + 540805.
It is an arithmetic number, because the mean of its divisors is an integer number (90687240).
Almost surely, 21080688609 is an apocalyptic number.
It is an amenable number.
1080688609 is a deficient number, since it is larger than the sum of its proper divisors (370307231).
1080688609 is a wasteful number, since it uses less digits than its factorization.
1080688609 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1079640.
The product of its (nonzero) digits is 165888, while the sum is 46.
The square root of 1080688609 is about 32873.8286331239. The cubic root of 1080688609 is about 1026.2035781275.
The spelling of 1080688609 in words is "one billion, eighty million, six hundred eighty-eight thousand, six hundred nine".
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