Base | Representation |
---|---|
bin | 100000001101101… |
… | …0101101111100001 |
3 | 2210022220212002010 |
4 | 1000123111233201 |
5 | 4203203040034 |
6 | 255131343133 |
7 | 35533400343 |
oct | 10033255741 |
9 | 2708825063 |
10 | 1080908769 |
11 | 505165836 |
12 | 261bb1aa9 |
13 | 142c280b5 |
14 | a37ad293 |
15 | 64d643e9 |
hex | 406d5be1 |
1080908769 has 4 divisors (see below), whose sum is σ = 1441211696. Its totient is φ = 720605844.
The previous prime is 1080908761. The next prime is 1080908771. The reversal of 1080908769 is 9678090801.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 1080908769 - 23 = 1080908761 is a prime.
It is a super-2 number, since 2×10809087692 = 2336727533802190722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1080908761) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180151459 + ... + 180151464.
It is an arithmetic number, because the mean of its divisors is an integer number (360302924).
Almost surely, 21080908769 is an apocalyptic number.
It is an amenable number.
1080908769 is a deficient number, since it is larger than the sum of its proper divisors (360302927).
1080908769 is an equidigital number, since it uses as much as digits as its factorization.
1080908769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 360302926.
The product of its (nonzero) digits is 217728, while the sum is 48.
The square root of 1080908769 is about 32877.1770229745. The cubic root of 1080908769 is about 1026.2732601300.
The spelling of 1080908769 in words is "one billion, eighty million, nine hundred eight thousand, seven hundred sixty-nine".
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