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27928075307 = 115227485731
BaseRepresentation
bin11010000000101001…
…001001110000101011
32200002100121020000112
4122000221021300223
5424144041402212
620455135324535
72006040503036
oct320051116053
980070536015
1027928075307
1110931741380
1254b508074b
132831057162
1414cd1ca01d
15ad6caa422
hex680a49c2b

27928075307 has 8 divisors (see below), whose sum is σ = 30472882752. Its totient is φ = 25384249800.

The previous prime is 27928075223. The next prime is 27928075309. The reversal of 27928075307 is 70357082972.

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

It is a cyclic number.

It is not a de Polignac number, because 27928075307 - 28 = 27928075051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27928075309) 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, 185369 + ... + 300362.

It is an arithmetic number, because the mean of its divisors is an integer number (3809110344).

Almost surely, 227928075307 is an apocalyptic number.

27928075307 is a deficient number, since it is larger than the sum of its proper divisors (2544807445).

27928075307 is a wasteful number, since it uses less digits than its factorization.

27928075307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490969.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 27928075307 in words is "twenty-seven billion, nine hundred twenty-eight million, seventy-five thousand, three hundred seven".

Divisors: 1 11 5227 57497 485731 5343041 2538915937 27928075307