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27242307145 = 55566397883
BaseRepresentation
bin11001010111110001…
…001001111001001001
32121022120012120221201
4121113301021321021
5421243012312040
620303121104201
71653042534664
oct312761117111
977276176851
1027242307145
111060a632629
125343488061
132751c5b891
1414660b86db
15a96999a9a
hex657c49e49

27242307145 has 8 divisors (see below), whose sum is σ = 32691689856. Its totient is φ = 21793231536.

The previous prime is 27242307143. The next prime is 27242307181. The reversal of 27242307145 is 54170324272.

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 27242307145 - 21 = 27242307143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27242307143) 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, 229374 + ... + 327256.

It is an arithmetic number, because the mean of its divisors is an integer number (4086461232).

Almost surely, 227242307145 is an apocalyptic number.

It is an amenable number.

27242307145 is a deficient number, since it is larger than the sum of its proper divisors (5449382711).

27242307145 is an equidigital number, since it uses as much as digits as its factorization.

27242307145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153551.

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 27242307145 in words is "twenty-seven billion, two hundred forty-two million, three hundred seven thousand, one hundred forty-five".

Divisors: 1 5 55663 97883 278315 489415 5448461429 27242307145