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6484247189 = 73253284759
BaseRepresentation
bin1100000100111110…
…11100001010010101
3121201220020212221022
412002133130022111
5101234431402224
62551231530525
7316454122520
oct60237341225
917656225838
106484247189
112828208982
12130b689a45
137c44c6974
14457263bb7
1527e3dd65e
hex1827dc295

6484247189 has 8 divisors (see below), whose sum is σ = 7412872320. Its totient is φ = 5556198096.

The previous prime is 6484247177. The next prime is 6484247191. The reversal of 6484247189 is 9817424846.

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 6484247189 - 216 = 6484181653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6484247189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6484247149) 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, 119609 + ... + 165150.

It is an arithmetic number, because the mean of its divisors is an integer number (926609040).

Almost surely, 26484247189 is an apocalyptic number.

It is an amenable number.

6484247189 is a deficient number, since it is larger than the sum of its proper divisors (928625131).

6484247189 is a wasteful number, since it uses less digits than its factorization.

6484247189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288019.

The product of its digits is 3096576, while the sum is 53.

The square root of 6484247189 is about 80524.8234335227. The cubic root of 6484247189 is about 1864.7467295455.

The spelling of 6484247189 in words is "six billion, four hundred eighty-four million, two hundred forty-seven thousand, one hundred eighty-nine".

Divisors: 1 7 3253 22771 284759 1993313 926321027 6484247189