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27473944057 = 78761447991
BaseRepresentation
bin11001100101100100…
…110001110111111001
32121220201001222001121
4121211210301313321
5422231312202212
620342113545241
71661554446160
oct314544616771
977821058047
1027473944057
111071936389a
1253a8b75221
13278ac41c41
141488b743d7
15aabea2d07
hex665931df9

27473944057 has 8 divisors (see below), whose sum is σ = 31402447232. Its totient is φ = 23546354400.

The previous prime is 27473944051. The next prime is 27473944079. The reversal of 27473944057 is 75044937472.

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 27473944057 - 27 = 27473943929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27473943995 and 27473944013.

It is not an unprimeable number, because it can be changed into a prime (27473944051) 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, 162669 + ... + 285322.

It is an arithmetic number, because the mean of its divisors is an integer number (3925305904).

Almost surely, 227473944057 is an apocalyptic number.

It is an amenable number.

27473944057 is a deficient number, since it is larger than the sum of its proper divisors (3928503175).

27473944057 is an equidigital number, since it uses as much as digits as its factorization.

27473944057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456759.

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 27473944057 in words is "twenty-seven billion, four hundred seventy-three million, nine hundred forty-four thousand, fifty-seven".

Divisors: 1 7 8761 61327 447991 3135937 3924849151 27473944057