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27314917243 = 170991597457
BaseRepresentation
bin11001011100000110…
…001000111101111011
32121111121211120021121
4121130012020331323
5421420104322433
620314233250111
71654613652145
oct313406107573
977447746247
1027314917243
1110647616679
125363863937
132764002433
1414719b9c95
15a9d03dc2d
hex65c188f7b

27314917243 has 4 divisors (see below), whose sum is σ = 27316531800. Its totient is φ = 27313302688.

The previous prime is 27314917183. The next prime is 27314917321. The reversal of 27314917243 is 34271941372.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 27314917243 - 229 = 26778046331 is a prime.

It is a super-2 number, since 2×273149172432 (a number of 22 digits) contains 22 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 27314917243.

It is not an unprimeable number, because it can be changed into a prime (27314017243) 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 in 3 ways as a sum of consecutive naturals, for example, 781630 + ... + 815827.

It is an arithmetic number, because the mean of its divisors is an integer number (6829132950).

Almost surely, 227314917243 is an apocalyptic number.

27314917243 is a deficient number, since it is larger than the sum of its proper divisors (1614557).

27314917243 is a wasteful number, since it uses less digits than its factorization.

27314917243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614556.

The product of its digits is 254016, while the sum is 43.

The spelling of 27314917243 in words is "twenty-seven billion, three hundred fourteen million, nine hundred seventeen thousand, two hundred forty-three".

Divisors: 1 17099 1597457 27314917243