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27380834305 = 511497833351
BaseRepresentation
bin11001100000000001…
…100110000000000001
32121200012212111111021
4121200001212000001
5422033443144210
620324550145441
71656344152156
oct314001460001
977605774437
1027380834305
1110680849090
125381952281
132774871706
14147a65822d
15aa3c0ebda
hex660066001

27380834305 has 8 divisors (see below), whose sum is σ = 35844001344. Its totient is φ = 19913334000.

The previous prime is 27380834303. The next prime is 27380834353. The reversal of 27380834305 is 50343808372.

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

It is not a de Polignac number, because 27380834305 - 21 = 27380834303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27380834303) 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, 248916621 + ... + 248916730.

It is an arithmetic number, because the mean of its divisors is an integer number (4480500168).

Almost surely, 227380834305 is an apocalyptic number.

It is an amenable number.

27380834305 is a deficient number, since it is larger than the sum of its proper divisors (8463167039).

27380834305 is a wasteful number, since it uses less digits than its factorization.

27380834305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497833367.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 27380834305 in words is "twenty-seven billion, three hundred eighty million, eight hundred thirty-four thousand, three hundred five".

Divisors: 1 5 11 55 497833351 2489166755 5476166861 27380834305