Base | Representation |
---|---|
bin | 110000001010011111… |
… | …0000110111000011100 |
3 | 100212222021202021001021 |
4 | 1200110332012320130 |
5 | 3143311321244130 |
6 | 115303210053524 |
7 | 10321055224102 |
oct | 1402476067034 |
9 | 325867667037 |
10 | 103431040540 |
11 | 3a9571426a3 |
12 | 18066a1a2a4 |
13 | 99a45b3049 |
14 | 50129cbc72 |
15 | 2a5557437a |
hex | 1814f86e1c |
103431040540 has 48 divisors (see below), whose sum is σ = 218211517440. Its totient is φ = 41180892480.
The previous prime is 103431040529. The next prime is 103431040541. The reversal of 103431040540 is 45040134301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103431040541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16779499 + ... + 16785661.
It is an arithmetic number, because the mean of its divisors is an integer number (4546073280).
Almost surely, 2103431040540 is an apocalyptic number.
103431040540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103431040540 is an abundant number, since it is smaller than the sum of its proper divisors (114780476900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103431040540 is a wasteful number, since it uses less digits than its factorization.
103431040540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9922 (or 9920 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 103431040540 its reverse (45040134301), we get a palindrome (148471174841).
The spelling of 103431040540 in words is "one hundred three billion, four hundred thirty-one million, forty thousand, five hundred forty".
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