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27775500009 = 310984940367
BaseRepresentation
bin11001110111100011…
…000111111011101001
32122200201111121001120
4121313203013323221
5423341012000014
620432045205453
72002205566065
oct316743077351
978621447046
1027775500009
1110863600294
125471b60889
13280856600a
1414b6c30aa5
15ac86bcba9
hex6778c7ee9

27775500009 has 8 divisors (see below), whose sum is σ = 37373761920. Its totient is φ = 18347119056.

The previous prime is 27775500007. The next prime is 27775500019. The reversal of 27775500009 is 90000557772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27775500009 - 21 = 27775500007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27775500007) 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, 42469857 + ... + 42470510.

It is an arithmetic number, because the mean of its divisors is an integer number (4671720240).

Almost surely, 227775500009 is an apocalyptic number.

It is an amenable number.

27775500009 is a deficient number, since it is larger than the sum of its proper divisors (9598261911).

27775500009 is a wasteful number, since it uses less digits than its factorization.

27775500009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84940479.

The product of its (nonzero) digits is 154350, while the sum is 42.

The spelling of 27775500009 in words is "twenty-seven billion, seven hundred seventy-five million, five hundred thousand, nine".

Divisors: 1 3 109 327 84940367 254821101 9258500003 27775500009