Base | Representation |
---|---|
bin | 111111110000101… |
… | …111110010110101 |
3 | 2202112220120220200 |
4 | 333300233302311 |
5 | 4142323241120 |
6 | 254052151113 |
7 | 35336445042 |
oct | 7760576265 |
9 | 2675816820 |
10 | 1069743285 |
11 | 4a9929a66 |
12 | 25a308499 |
13 | 140818bc0 |
14 | a21041c9 |
15 | 63daae90 |
hex | 3fc2fcb5 |
1069743285 has 48 divisors (see below), whose sum is σ = 2001103104. Its totient is φ = 525522816.
The previous prime is 1069743281. The next prime is 1069743313. The reversal of 1069743285 is 5823479601.
1069743285 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1069743285 - 22 = 1069743281 is a prime.
It is a super-2 number, since 2×10697432852 = 2288701391605182450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
1069743285 is strictly pandigital in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 1069743285.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1069743281) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318324 + ... + 321666.
It is an arithmetic number, because the mean of its divisors is an integer number (41689648).
It is a 2-persistent number, because it is pandigital, and so is 2⋅1069743285 = 2139486570, but 3⋅1069743285 = 3209229855 is not.
Almost surely, 21069743285 is an apocalyptic number.
1069743285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1069743285 is a deficient number, since it is larger than the sum of its proper divisors (931359819).
1069743285 is a wasteful number, since it uses less digits than its factorization.
1069743285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3914 (or 3911 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 1069743285 is about 32706.9302289285. The cubic root of 1069743285 is about 1022.7273175811.
The spelling of 1069743285 in words is "one billion, sixty-nine million, seven hundred forty-three thousand, two hundred eighty-five".
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