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27827104020 = 2235463785067
BaseRepresentation
bin11001111010100111…
…111110100100010100
32122211022121100110020
4121322213332210110
5423442214312040
620441131225140
72003403324102
oct317247764424
978738540406
1027827104020
111088a747131
1254872a81b0
132816163531
1414bda24c72
15acceb2cd0
hex67a9fe914

27827104020 has 24 divisors (see below), whose sum is σ = 77915891424. Its totient is φ = 7420561056.

The previous prime is 27827104003. The next prime is 27827104043. The reversal of 27827104020 is 2040172872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231892474 + ... + 231892593.

It is an arithmetic number, because the mean of its divisors is an integer number (3246495476).

Almost surely, 227827104020 is an apocalyptic number.

27827104020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27827104020 is an abundant number, since it is smaller than the sum of its proper divisors (50088787404).

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

27827104020 is a wasteful number, since it uses less digits than its factorization.

27827104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463785079 (or 463785077 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

Adding to 27827104020 its reverse (2040172872), we get a palindrome (29867276892).

The spelling of 27827104020 in words is "twenty-seven billion, eight hundred twenty-seven million, one hundred four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 463785067 927570134 1391355201 1855140268 2318925335 2782710402 4637850670 5565420804 6956776005 9275701340 13913552010 27827104020