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27316012991 = 313499174893
BaseRepresentation
bin11001011100001010…
…010100011110111111
32121111200220020100212
4121130022110132333
5421420344403431
620314312543035
71654626164561
oct313412243677
977450806325
1027316012991
11106481a4953
1253640b1a7b
1327642c70c7
141471bc3331
15a9d1a872b
hex65c2947bf

27316012991 has 8 divisors (see below), whose sum is σ = 27458358000. Its totient is φ = 27174019392.

The previous prime is 27316012961. The next prime is 27316013009. The reversal of 27316012991 is 19921061372.

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 27316012991 - 222 = 27311818687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27316012901) 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, 68741 + ... + 243633.

It is an arithmetic number, because the mean of its divisors is an integer number (3432294750).

Almost surely, 227316012991 is an apocalyptic number.

27316012991 is a deficient number, since it is larger than the sum of its proper divisors (142345009).

27316012991 is a wasteful number, since it uses less digits than its factorization.

27316012991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175705.

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 27316012991 in words is "twenty-seven billion, three hundred sixteen million, twelve thousand, nine hundred ninety-one".

Divisors: 1 313 499 156187 174893 54741509 87271607 27316012991