Base | Representation |
---|---|
bin | 1000011010111111101… |
… | …0010000110110100011 |
3 | 111211110100202001102102 |
4 | 2012233322100312203 |
5 | 4332303403110242 |
6 | 150244550041015 |
7 | 13311301652531 |
oct | 2065772206643 |
9 | 454410661372 |
10 | 144685206947 |
11 | 563a70334a6 |
12 | 2405a94916b |
13 | 1084a4436b8 |
14 | 7007989151 |
15 | 3b6c1e5e32 |
hex | 21afe90da3 |
144685206947 has 2 divisors, whose sum is σ = 144685206948. Its totient is φ = 144685206946.
The previous prime is 144685206923. The next prime is 144685206949. The reversal of 144685206947 is 749602586441.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 144685206947 - 210 = 144685205923 is a prime.
Together with 144685206949, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 144685206892 and 144685206901.
It is not a weakly prime, because it can be changed into another prime (144685206949) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72342603473 + 72342603474.
It is an arithmetic number, because the mean of its divisors is an integer number (72342603474).
Almost surely, 2144685206947 is an apocalyptic number.
144685206947 is a deficient number, since it is larger than the sum of its proper divisors (1).
144685206947 is an equidigital number, since it uses as much as digits as its factorization.
144685206947 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11612160, while the sum is 56.
The spelling of 144685206947 in words is "one hundred forty-four billion, six hundred eighty-five million, two hundred six thousand, nine hundred forty-seven".
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