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27071416945 = 56618191049
BaseRepresentation
bin11001001101100101…
…010000101001110001
32120212122122110200001
4121031211100221301
5420420240320240
620234134230001
71645566150556
oct311545205161
976778573601
1027071416945
1110532122261
1252b61b5301
132725727311
14144b512a2d
15a8699089a
hex64d950a71

27071416945 has 8 divisors (see below), whose sum is σ = 32534850600. Its totient is φ = 21624366720.

The previous prime is 27071416909. The next prime is 27071416951. The reversal of 27071416945 is 54961417072.

It can be written as a sum of positive squares in 4 ways, for example, as 14854978161 + 12216438784 = 121881^2 + 110528^2 .

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

It is not a de Polignac number, because 27071416945 - 215 = 27071384177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27071416895 and 27071416904.

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, 4092220 + ... + 4098829.

It is an arithmetic number, because the mean of its divisors is an integer number (4066856325).

Almost surely, 227071416945 is an apocalyptic number.

It is an amenable number.

27071416945 is a deficient number, since it is larger than the sum of its proper divisors (5463433655).

27071416945 is an equidigital number, since it uses as much as digits as its factorization.

27071416945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191715.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 27071416945 in words is "twenty-seven billion, seventy-one million, four hundred sixteen thousand, nine hundred forty-five".

Divisors: 1 5 661 3305 8191049 40955245 5414283389 27071416945