Base | Representation |
---|---|
bin | 1011111001000100100111… |
… | …1100110100010101111110 |
3 | 1201021222011200011021020020 |
4 | 2332101021330310111332 |
5 | 3203210322002110310 |
6 | 43450343331033010 |
7 | 2516434455560655 |
oct | 276211174642576 |
9 | 51258150137206 |
10 | 13075121128830 |
11 | 4191145011742 |
12 | 157206773b766 |
13 | 73ac950922c7 |
14 | 332ba6c3019c |
15 | 17a1a9679170 |
hex | be449f3457e |
13075121128830 has 64 divisors (see below), whose sum is σ = 32394273325056. Its totient is φ = 3374046144000.
The previous prime is 13075121128829. The next prime is 13075121128873. The reversal of 13075121128830 is 3882112157031.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17671110 + ... + 18396150.
It is an arithmetic number, because the mean of its divisors is an integer number (506160520704).
Almost surely, 213075121128830 is an apocalyptic number.
13075121128830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13075121128830 is an abundant number, since it is smaller than the sum of its proper divisors (19319152196226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13075121128830 is a wasteful number, since it uses less digits than its factorization.
13075121128830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 744473.
The product of its (nonzero) digits is 80640, while the sum is 42.
It can be divided in two parts, 1307512 and 1128830, that added together give a palindrome (2436342).
The spelling of 13075121128830 in words is "thirteen trillion, seventy-five billion, one hundred twenty-one million, one hundred twenty-eight thousand, eight hundred thirty".
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