Base | Representation |
---|---|
bin | 1000011011110010111… |
… | …0001000111110001101 |
3 | 111212000100011102012022 |
4 | 2012330232020332031 |
5 | 4333223413221444 |
6 | 150322144415525 |
7 | 13316521543421 |
oct | 2067456107615 |
9 | 455010142168 |
10 | 144900132749 |
11 | 564a7390429 |
12 | 240ba9175a5 |
13 | 10882b25628 |
14 | 7028334b81 |
15 | 3b80eec9ee |
hex | 21bcb88f8d |
144900132749 has 2 divisors, whose sum is σ = 144900132750. Its totient is φ = 144900132748.
The previous prime is 144900132743. The next prime is 144900132857. The reversal of 144900132749 is 947231009441.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 87500598025 + 57399534724 = 295805^2 + 239582^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-144900132749 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144900132743) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72450066374 + 72450066375.
It is an arithmetic number, because the mean of its divisors is an integer number (72450066375).
Almost surely, 2144900132749 is an apocalyptic number.
It is an amenable number.
144900132749 is a deficient number, since it is larger than the sum of its proper divisors (1).
144900132749 is an equidigital number, since it uses as much as digits as its factorization.
144900132749 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 217728, while the sum is 44.
The spelling of 144900132749 in words is "one hundred forty-four billion, nine hundred million, one hundred thirty-two thousand, seven hundred forty-nine".
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