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144441208206697 is a prime number
BaseRepresentation
bin100000110101111001010110…
…111001111111010101101001
3200221102110000011000102000211
4200311321112321333111221
5122413011043300103242
61231111213000101121
742265350535132423
oct4065712671772551
9627373004012024
10144441208206697
1142029199504886
12142498104647a1
13627999430570c
142794dc5625813
1511a73a9984317
hex835e56e7f569

144441208206697 has 2 divisors, whose sum is σ = 144441208206698. Its totient is φ = 144441208206696.

The previous prime is 144441208206671. The next prime is 144441208206769. The reversal of 144441208206697 is 796602802144441.

Together with next prime (144441208206769) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131773616774361 + 12667591432336 = 11479269^2 + 3559156^2 .

It is an emirp because it is prime and its reverse (796602802144441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144441208206697 is a prime.

It is not a weakly prime, because it can be changed into another prime (144441208200697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72220604103348 + 72220604103349.

It is an arithmetic number, because the mean of its divisors is an integer number (72220604103349).

Almost surely, 2144441208206697 is an apocalyptic number.

It is an amenable number.

144441208206697 is a deficient number, since it is larger than the sum of its proper divisors (1).

144441208206697 is an equidigital number, since it uses as much as digits as its factorization.

144441208206697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 144441208206697 in words is "one hundred forty-four trillion, four hundred forty-one billion, two hundred eight million, two hundred six thousand, six hundred ninety-seven".