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27474284159 = 717921926803
BaseRepresentation
bin11001100101100110…
…000100111001111111
32121220201201020120222
4121211212010321333
5422231404043114
620342125131555
71661560363550
oct314546047177
977821636528
1027474284159
1110719576373
1253a90b9bbb
13278b03099a
141488c22327
15aac01d98e
hex665984e7f

27474284159 has 8 divisors (see below), whose sum is σ = 31574597760. Its totient is φ = 23417824536.

The previous prime is 27474284153. The next prime is 27474284191. The reversal of 27474284159 is 95148247472.

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 27474284159 - 216 = 27474218623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27474284159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27474284153) 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, 10962149 + ... + 10964654.

It is an arithmetic number, because the mean of its divisors is an integer number (3946824720).

Almost surely, 227474284159 is an apocalyptic number.

27474284159 is a deficient number, since it is larger than the sum of its proper divisors (4100313601).

27474284159 is a wasteful number, since it uses less digits than its factorization.

27474284159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21926989.

The product of its digits is 4515840, while the sum is 53.

The spelling of 27474284159 in words is "twenty-seven billion, four hundred seventy-four million, two hundred eighty-four thousand, one hundred fifty-nine".

Divisors: 1 7 179 1253 21926803 153487621 3924897737 27474284159