Base | Representation |
---|---|
bin | 1000011001010110100… |
… | …0011000010000000000 |
3 | 111210022122010012221101 |
4 | 2012111220120100000 |
5 | 4330403020423130 |
6 | 150133120104144 |
7 | 13264336261654 |
oct | 2062550302000 |
9 | 453278105841 |
10 | 144244311040 |
11 | 561a0175915 |
12 | 23b57165054 |
13 | 107a9cb384b |
14 | 6da51baa64 |
15 | 3b436551ca |
hex | 2195a18400 |
144244311040 has 88 divisors (see below), whose sum is σ = 357949310040. Its totient is φ = 55708090368.
The previous prime is 144244311031. The next prime is 144244311049. The reversal of 144244311040 is 40113442441.
It is an interprime number because it is at equal distance from previous prime (144244311031) and next prime (144244311049).
It can be written as a sum of positive squares in 4 ways, for example, as 53320351744 + 90923959296 = 230912^2 + 301536^2 .
It is not an unprimeable number, because it can be changed into a prime (144244311049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337257 + ... + 634216.
Almost surely, 2144244311040 is an apocalyptic number.
144244311040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144244311040 is an abundant number, since it is smaller than the sum of its proper divisors (213704999000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144244311040 is an equidigital number, since it uses as much as digits as its factorization.
144244311040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 971527 (or 971509 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 28.
Adding to 144244311040 its reverse (40113442441), we get a palindrome (184357753481).
The spelling of 144244311040 in words is "one hundred forty-four billion, two hundred forty-four million, three hundred eleven thousand, forty".
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