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27313143109 = 7172937409523
BaseRepresentation
bin11001011011111111…
…010111110101000101
32121111111111102121221
4121123333113311011
5421414131034414
620314131240341
71654562612560
oct313377276505
977444442557
1027313143109
111064661474a
1253631490b1
132763830a55
1414716774d7
15a9ccdd224
hex65bfd7d45

27313143109 has 64 divisors (see below), whose sum is σ = 35268134400. Its totient is φ = 20609261568.

The previous prime is 27313143107. The next prime is 27313143127. The reversal of 27313143109 is 90134131372.

It is not a de Polignac number, because 27313143109 - 21 = 27313143107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27313143107) 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 63 ways as a sum of consecutive naturals, for example, 52223722 + ... + 52224244.

It is an arithmetic number, because the mean of its divisors is an integer number (551064600).

Almost surely, 227313143109 is an apocalyptic number.

27313143109 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

27313143109 is a deficient number, since it is larger than the sum of its proper divisors (7954991291).

27313143109 is a wasteful number, since it uses less digits than its factorization.

27313143109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 27313143109 in words is "twenty-seven billion, three hundred thirteen million, one hundred forty-three thousand, one hundred nine".

Divisors: 1 7 17 29 37 119 203 259 409 493 523 629 1073 2863 3451 3661 4403 6953 7511 8891 11861 15133 15167 18241 19351 48671 62237 83027 105931 106169 127687 135457 201637 213907 257261 257839 328967 438857 561179 1411459 1497349 1800827 1804873 2302769 3071999 3636419 3928253 6203303 7460569 7914559 9540043 25454933 43423121 52223983 55401913 66780301 105456151 134547503 229522211 738193057 941832521 1606655477 3901877587 27313143109