Search a number
-
+
27082660105 = 55416532021
BaseRepresentation
bin11001001110010000…
…001001100100001001
32120220102210200101101
4121032100021210021
5420431130110410
620235215221401
71646063545504
oct311620114411
976812720341
1027082660105
1110538501426
1252b9b17861
132727b62987
14144cbdc13b
15a87961d3a
hex64e409909

27082660105 has 4 divisors (see below), whose sum is σ = 32499192132. Its totient is φ = 21666128080.

The previous prime is 27082660093. The next prime is 27082660109. The reversal of 27082660105 is 50106628072.

It is a happy number.

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 3131073936 + 23951586169 = 55956^2 + 154763^2 .

It is not a de Polignac number, because 27082660105 - 233 = 18492725513 is a prime.

It is a super-2 number, since 2×270826601052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27082660109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708266006 + ... + 2708266015.

It is an arithmetic number, because the mean of its divisors is an integer number (8124798033).

Almost surely, 227082660105 is an apocalyptic number.

It is an amenable number.

27082660105 is a deficient number, since it is larger than the sum of its proper divisors (5416532027).

27082660105 is an equidigital number, since it uses as much as digits as its factorization.

27082660105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416532026.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 27082660105 in words is "twenty-seven billion, eighty-two million, six hundred sixty thousand, one hundred five".

Divisors: 1 5 5416532021 27082660105