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284327197145 = 5375371514917
BaseRepresentation
bin1000010001100110011…
…10001011100111011001
31000011220020210011001022
410020303032023213121
514124300230302040
6334341302332225
726353615204505
oct4106316134731
91004806704038
10284327197145
11aa645321572
124713072a075
1320a72aa6774
14da93823305
1575e179a6b5
hex423338b9d9

284327197145 has 8 divisors (see below), whose sum is σ = 341201951304. Its totient is φ = 227455547904.

The previous prime is 284327197093. The next prime is 284327197153. The reversal of 284327197145 is 541791723482.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25218710416 + 259108486729 = 158804^2 + 509027^2 .

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 284327197145 - 28 = 284327196889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569774 + ... + 945143.

It is an arithmetic number, because the mean of its divisors is an integer number (42650243913).

Almost surely, 2284327197145 is an apocalyptic number.

It is an amenable number.

284327197145 is a deficient number, since it is larger than the sum of its proper divisors (56874754159).

284327197145 is a wasteful number, since it uses less digits than its factorization.

284327197145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552459.

The product of its digits is 3386880, while the sum is 53.

The spelling of 284327197145 in words is "two hundred eighty-four billion, three hundred twenty-seven million, one hundred ninety-seven thousand, one hundred forty-five".

Divisors: 1 5 37537 187685 1514917 7574585 56865439429 284327197145