Base | Representation |
---|---|
bin | 111001111100010101… |
… | …1000110001110001100 |
3 | 102220011211010102020010 |
4 | 1303320223012032030 |
5 | 4014313332202112 |
6 | 133055102553220 |
7 | 11663343111141 |
oct | 1637053061614 |
9 | 386154112203 |
10 | 124431131532 |
11 | 488531478a4 |
12 | 20147898810 |
13 | b97022a3a6 |
14 | 6045a463c8 |
15 | 3383edd63c |
hex | 1cf8ac638c |
124431131532 has 96 divisors (see below), whose sum is σ = 294602112000. Its totient is φ = 40874118912.
The previous prime is 124431131467. The next prime is 124431131533. The reversal of 124431131532 is 235131134421.
It is a self number, because there is not a number n which added to its sum of digits gives 124431131532.
It is not an unprimeable number, because it can be changed into a prime (124431131533) 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 31 ways as a sum of consecutive naturals, for example, 202986858 + ... + 202987470.
It is an arithmetic number, because the mean of its divisors is an integer number (3068772000).
Almost surely, 2124431131532 is an apocalyptic number.
124431131532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
124431131532 is an abundant number, since it is smaller than the sum of its proper divisors (170170980468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124431131532 is a wasteful number, since it uses less digits than its factorization.
124431131532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1495 (or 1493 counting only the distinct ones).
The product of its digits is 8640, while the sum is 30.
Adding to 124431131532 its reverse (235131134421), we get a palindrome (359562265953).
The spelling of 124431131532 in words is "one hundred twenty-four billion, four hundred thirty-one million, one hundred thirty-one thousand, five hundred thirty-two".
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