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127739772866341 is a prime number
BaseRepresentation
bin11101000010110110111011…
…110010010000111100100101
3121202021210200101220100202101
4131002312323302100330211
5113220342023323210331
61131402501434212101
735622615440104426
oct3502667362207445
9552253611810671
10127739772866341
113777a151683319
12123b09a7584031
135637a691aa06c
1423788d093164d
15eb7c109ca061
hex742dbbc90f25

127739772866341 has 2 divisors, whose sum is σ = 127739772866342. Its totient is φ = 127739772866340.

The previous prime is 127739772866339. The next prime is 127739772866347. The reversal of 127739772866341 is 143668277937721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68739768993025 + 59000003873316 = 8290945^2 + 7681146^2 .

It is an emirp because it is prime and its reverse (143668277937721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127739772866341 - 21 = 127739772866339 is a prime.

Together with 127739772866339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127739772866347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63869886433170 + 63869886433171.

It is an arithmetic number, because the mean of its divisors is an integer number (63869886433171).

Almost surely, 2127739772866341 is an apocalyptic number.

It is an amenable number.

127739772866341 is a deficient number, since it is larger than the sum of its proper divisors (1).

127739772866341 is an equidigital number, since it uses as much as digits as its factorization.

127739772866341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896168448, while the sum is 73.

The spelling of 127739772866341 in words is "one hundred twenty-seven trillion, seven hundred thirty-nine billion, seven hundred seventy-two million, eight hundred sixty-six thousand, three hundred forty-one".