Base | Representation |
---|---|
bin | 111001111011011010… |
… | …1100110100100100000 |
3 | 102220002200011120220011 |
4 | 1303312311212210200 |
5 | 4014232441043130 |
6 | 133052042454304 |
7 | 11662520236606 |
oct | 1636665464440 |
9 | 386080146804 |
10 | 124400331040 |
11 | 4883781aa47 |
12 | 20139504394 |
13 | b966a34c4b |
14 | 6041909876 |
15 | 338145752a |
hex | 1cf6d66920 |
124400331040 has 24 divisors (see below), whose sum is σ = 293895782460. Its totient is φ = 49760132352.
The previous prime is 124400331007. The next prime is 124400331049. The reversal of 124400331040 is 40133004421.
It can be written as a sum of positive squares in 2 ways, for example, as 115662568464 + 8737762576 = 340092^2 + 93476^2 .
It is not an unprimeable number, because it can be changed into a prime (124400331049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388750875 + ... + 388751194.
Almost surely, 2124400331040 is an apocalyptic number.
124400331040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
124400331040 is an abundant number, since it is smaller than the sum of its proper divisors (169495451420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124400331040 is an equidigital number, since it uses as much as digits as its factorization.
124400331040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 777502084 (or 777502076 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 124400331040 its reverse (40133004421), we get a palindrome (164533335461).
The spelling of 124400331040 in words is "one hundred twenty-four billion, four hundred million, three hundred thirty-one thousand, forty".
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