Base | Representation |
---|---|
bin | 11000011100100100… |
… | …00101110100100000 |
3 | 1020212200002222010021 |
4 | 30032102011310200 |
5 | 203334334302334 |
6 | 10010200043224 |
7 | 643144424200 |
oct | 141622056440 |
9 | 36780088107 |
10 | 13124525344 |
11 | 56254a8167 |
12 | 2663463514 |
13 | 1312121638 |
14 | 8c7102400 |
15 | 51c34d3b4 |
hex | 30e485d20 |
13124525344 has 72 divisors (see below), whose sum is σ = 30175388460. Its totient is φ = 5602738176.
The previous prime is 13124525339. The next prime is 13124525347. The reversal of 13124525344 is 44352542131.
It can be written as a sum of positive squares in 2 ways, for example, as 8306499600 + 4818025744 = 91140^2 + 69412^2 .
It is not an unprimeable number, because it can be changed into a prime (13124525347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386692 + ... + 419260.
Almost surely, 213124525344 is an apocalyptic number.
13124525344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13124525344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15087694230).
13124525344 is an abundant number, since it is smaller than the sum of its proper divisors (17050863116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13124525344 is a wasteful number, since it uses less digits than its factorization.
13124525344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32850 (or 32835 counting only the distinct ones).
The product of its digits is 57600, while the sum is 34.
The spelling of 13124525344 in words is "thirteen billion, one hundred twenty-four million, five hundred twenty-five thousand, three hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •