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5425868065 = 51493726841
BaseRepresentation
bin1010000110110100…
…00010110100100001
3112000010201122201111
411003122002310201
542103010234230
62254223103321
7251313055222
oct50332026441
915003648644
105425868065
112334840a92
121075141b41
13686159527
1439687b249
1521b52992a
hex143682d21

5425868065 has 8 divisors (see below), whose sum is σ = 6515411688. Its totient is φ = 4337781120.

The previous prime is 5425867973. The next prime is 5425868069. The reversal of 5425868065 is 5608685245.

It can be written as a sum of positive squares in 4 ways, for example, as 992439009 + 4433429056 = 31503^2 + 66584^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-5425868065 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5425868069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355956 + ... + 370885.

It is an arithmetic number, because the mean of its divisors is an integer number (814426461).

Almost surely, 25425868065 is an apocalyptic number.

It is an amenable number.

5425868065 is a deficient number, since it is larger than the sum of its proper divisors (1089543623).

5425868065 is a wasteful number, since it uses less digits than its factorization.

5425868065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728339.

The product of its (nonzero) digits is 2304000, while the sum is 49.

The square root of 5425868065 is about 73660.4918867638. The cubic root of 5425868065 is about 1757.2076141100.

The spelling of 5425868065 in words is "five billion, four hundred twenty-five million, eight hundred sixty-eight thousand, sixty-five".

Divisors: 1 5 1493 7465 726841 3634205 1085173613 5425868065