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127243410206443 = 713306075420819
BaseRepresentation
bin11100111011101000101010…
…010000111110111011101011
3121200112100111000222200002221
4130323220222100332323223
5113134224001003101233
61130342452103534511
735542014216106126
oct3473505220767353
9550470430880087
10127243410206443
11375a8699918323
121233076075a437
1356000047b434b
14235c88481b3bd
15ea9d5e38242d
hex73ba2a43eeeb

127243410206443 has 8 divisors (see below), whose sum is σ = 129035985016320. Its totient is φ = 125450846899560.

The previous prime is 127243410206441. The next prime is 127243410206543. The reversal of 127243410206443 is 344602014342721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127243410206443 - 21 = 127243410206441 is a prime.

It is a super-3 number, since 3×1272434102064433 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127243410206443.

It is not an unprimeable number, because it can be changed into a prime (127243410206441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20762688 + ... + 26183506.

It is an arithmetic number, because the mean of its divisors is an integer number (16129498127040).

Almost surely, 2127243410206443 is an apocalyptic number.

127243410206443 is a deficient number, since it is larger than the sum of its proper divisors (1792574809877).

127243410206443 is an equidigital number, since it uses as much as digits as its factorization.

127243410206443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751497.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 127243410206443 in words is "one hundred twenty-seven trillion, two hundred forty-three billion, four hundred ten million, two hundred six thousand, four hundred forty-three".

Divisors: 1 71 330607 5420819 23473097 384878149 1792160707133 127243410206443