Base | Representation |
---|---|
bin | 11010101001000100101… |
… | …010010101011101110101 |
3 | 20111000122011021120110100 |
4 | 122221010222111131311 |
5 | 214443443323014012 |
6 | 3521021145344313 |
7 | 246162062242626 |
oct | 32510452253565 |
9 | 6430564246410 |
10 | 1830808016757 |
11 | 64649443a665 |
12 | 2569a5a98099 |
13 | 10384bb39115 |
14 | 6487c26ba4d |
15 | 3295458e8dc |
hex | 1aa44a95775 |
1830808016757 has 24 divisors (see below), whose sum is σ = 2812286706840. Its totient is φ = 1143725921280.
The previous prime is 1830808016753. The next prime is 1830808016759. The reversal of 1830808016757 is 7576108080381.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 532937960676 + 1297870056081 = 730026^2 + 1139241^2 .
It is not a de Polignac number, because 1830808016757 - 22 = 1830808016753 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1830808016753) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26091744 + ... + 26161817.
It is an arithmetic number, because the mean of its divisors is an integer number (117178612785).
Almost surely, 21830808016757 is an apocalyptic number.
1830808016757 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
1830808016757 is a deficient number, since it is larger than the sum of its proper divisors (981478690083).
1830808016757 is a wasteful number, since it uses less digits than its factorization.
1830808016757 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52253813 (or 52253810 counting only the distinct ones).
The product of its (nonzero) digits is 2257920, while the sum is 54.
The spelling of 1830808016757 in words is "one trillion, eight hundred thirty billion, eight hundred eight million, sixteen thousand, seven hundred fifty-seven".
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