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127364106243217 = 177492006249601
BaseRepresentation
bin11100111101011001000100…
…010011110100110010010001
3121200221220000112212121120011
4130331121010103310302101
5113143213142144240332
61130514132422514521
735553516166355224
oct3475310423646221
9550856015777504
10127364106243217
11376448a5665148
1212350025595a41
13560b4cac50b9c
1423646543895bb
15ead0754c5e47
hex73d6444f4c91

127364106243217 has 4 divisors (see below), whose sum is σ = 134856112492836. Its totient is φ = 119872099993600.

The previous prime is 127364106243151. The next prime is 127364106243221. The reversal of 127364106243217 is 712342601463721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106115730960001 + 21248375283216 = 10301249^2 + 4609596^2 .

It is a cyclic number.

It is not a de Polignac number, because 127364106243217 - 27 = 127364106243089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127364106243277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3746003124784 + ... + 3746003124817.

It is an arithmetic number, because the mean of its divisors is an integer number (33714028123209).

Almost surely, 2127364106243217 is an apocalyptic number.

127364106243217 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

127364106243217 is a deficient number, since it is larger than the sum of its proper divisors (7492006249619).

127364106243217 is an equidigital number, since it uses as much as digits as its factorization.

127364106243217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492006249618.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 127364106243217 in words is "one hundred twenty-seven trillion, three hundred sixty-four billion, one hundred six million, two hundred forty-three thousand, two hundred seventeen".

Divisors: 1 17 7492006249601 127364106243217