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27528054064 = 247317928587
BaseRepresentation
bin11001101000110011…
…001100010100110000
32122001110220001000221
4121220303030110300
5422334140212224
620351325422424
71663112412250
oct315063142460
978043801027
1027528054064
1110746961505
12540310aa14
132799208cb4
14149201b960
15ab1ae06e4
hex668ccc530

27528054064 has 40 divisors (see below), whose sum is σ = 62921274368. Its totient is φ = 11417163840.

The previous prime is 27528054053. The next prime is 27528054067. The reversal of 27528054064 is 46045082572.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27528054064.

It is not an unprimeable number, because it can be changed into a prime (27528054067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3960822 + ... + 3967765.

Almost surely, 227528054064 is an apocalyptic number.

It is an amenable number.

27528054064 is an abundant number, since it is smaller than the sum of its proper divisors (35393220304).

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

27528054064 is a wasteful number, since it uses less digits than its factorization.

27528054064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928633 (or 7928627 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 27528054064 in words is "twenty-seven billion, five hundred twenty-eight million, fifty-four thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 31 56 62 112 124 217 248 434 496 868 1736 3472 7928587 15857174 31714348 55500109 63428696 111000218 126857392 222000436 245786197 444000872 491572394 888001744 983144788 1720503379 1966289576 3441006758 3932579152 6882013516 13764027032 27528054064