Base | Representation |
---|---|
bin | 1000011000111011101… |
… | …0100011111100011010 |
3 | 111210000210002210020110 |
4 | 2012032322203330122 |
5 | 4330140144341033 |
6 | 150114013105150 |
7 | 13261500462165 |
oct | 2061672437432 |
9 | 453023083213 |
10 | 144131637018 |
11 | 56142608196 |
12 | 23b254881b6 |
13 | 1078c853325 |
14 | 6d9424aadc |
15 | 3b387ea363 |
hex | 218eea3f1a |
144131637018 has 32 divisors (see below), whose sum is σ = 293429304000. Its totient is φ = 47184430976.
The previous prime is 144131637007. The next prime is 144131637019. The reversal of 144131637018 is 810736131441.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (144131637019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177280 + ... + 565412.
It is an arithmetic number, because the mean of its divisors is an integer number (9169665750).
Almost surely, 2144131637018 is an apocalyptic number.
144131637018 is an abundant number, since it is smaller than the sum of its proper divisors (149297666982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144131637018 is a wasteful number, since it uses less digits than its factorization.
144131637018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 389246.
The product of its (nonzero) digits is 48384, while the sum is 39.
Adding to 144131637018 its reverse (810736131441), we get a palindrome (954867768459).
The spelling of 144131637018 in words is "one hundred forty-four billion, one hundred thirty-one million, six hundred thirty-seven thousand, eighteen".
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