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27444001100 = 2252274440011
BaseRepresentation
bin11001100011110010…
…100011100101001100
32121211121201201001012
4121203302203211030
5422201131013400
620335124104352
71661042106005
oct314362434514
977747651035
1027444001100
111070347224a
12539ab350b8
132784989c09
141484bbc1ac
15aa953ad35
hex663ca394c

27444001100 has 18 divisors (see below), whose sum is σ = 59553482604. Its totient is φ = 10977600400.

The previous prime is 27444001087. The next prime is 27444001141. The reversal of 27444001100 is 110044472.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137219906 + ... + 137220105.

Almost surely, 227444001100 is an apocalyptic number.

27444001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27444001100 is an abundant number, since it is smaller than the sum of its proper divisors (32109481504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27444001100 is a wasteful number, since it uses less digits than its factorization.

27444001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274440025 (or 274440018 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 27444001100 its reverse (110044472), we get a palindrome (27554045572).

The spelling of 27444001100 in words is "twenty-seven billion, four hundred forty-four million, one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 274440011 548880022 1097760044 1372200055 2744400110 5488800220 6861000275 13722000550 27444001100