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113381506717 is a prime number
BaseRepresentation
bin110100110011000010…
…0000111111010011101
3101211122202022022112121
41221212010013322131
53324201131203332
6124030423102541
711122461622423
oct1514604077235
9354582268477
10113381506717
11440a29a5166
1219b832a1a51
13a8cbc4935b
1456b8339113
152e38dea797
hex1a66107e9d

113381506717 has 2 divisors, whose sum is σ = 113381506718. Its totient is φ = 113381506716.

The previous prime is 113381506709. The next prime is 113381506747. The reversal of 113381506717 is 717605183311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89816493636 + 23565013081 = 299694^2 + 153509^2 .

It is an emirp because it is prime and its reverse (717605183311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113381506717 - 23 = 113381506709 is a prime.

It is a super-2 number, since 2×1133815067172 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113381506747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56690753358 + 56690753359.

It is an arithmetic number, because the mean of its divisors is an integer number (56690753359).

Almost surely, 2113381506717 is an apocalyptic number.

It is an amenable number.

113381506717 is a deficient number, since it is larger than the sum of its proper divisors (1).

113381506717 is an equidigital number, since it uses as much as digits as its factorization.

113381506717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 113381506717 in words is "one hundred thirteen billion, three hundred eighty-one million, five hundred six thousand, seven hundred seventeen".