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8648327473 = 18894578257
BaseRepresentation
bin10000000110111101…
…10000000100110001
3211022201100112222221
420003132300010301
5120202432434343
63550055401041
7424212366502
oct100336600461
924281315887
108648327473
113738834485
121814383181
13a7a95ca46
145c0830ba9
153593b25ed
hex2037b0131

8648327473 has 4 divisors (see below), whose sum is σ = 8652907620. Its totient is φ = 8643747328.

The previous prime is 8648327411. The next prime is 8648327483. The reversal of 8648327473 is 3747238468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4081676544 + 4566650929 = 63888^2 + 67577^2 .

It is a cyclic number.

It is not a de Polignac number, because 8648327473 - 29 = 8648326961 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 8648327473.

It is not an unprimeable number, because it can be changed into a prime (8648327483) 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 3 ways as a sum of consecutive naturals, for example, 2287240 + ... + 2291017.

It is an arithmetic number, because the mean of its divisors is an integer number (2163226905).

Almost surely, 28648327473 is an apocalyptic number.

It is an amenable number.

8648327473 is a deficient number, since it is larger than the sum of its proper divisors (4580147).

8648327473 is a wasteful number, since it uses less digits than its factorization.

8648327473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580146.

The product of its digits is 5419008, while the sum is 52.

The square root of 8648327473 is about 92996.3841931502. The cubic root of 8648327473 is about 2052.6301733304.

The spelling of 8648327473 in words is "eight billion, six hundred forty-eight million, three hundred twenty-seven thousand, four hundred seventy-three".

Divisors: 1 1889 4578257 8648327473