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6484472209 = 19341288011
BaseRepresentation
bin1100000101000000…
…10011000110010001
3121201220200022121101
412002200103012101
5101240011102314
62551240424401
7316456050535
oct60240230621
917656608541
106484472209
112828351a46
12130b778101
137c4575207
144572c1bc5
1527e435174
hex182813191

6484472209 has 4 divisors (see below), whose sum is σ = 6825760240. Its totient is φ = 6143184180.

The previous prime is 6484472207. The next prime is 6484472257. The reversal of 6484472209 is 9022744846.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6484472209 - 21 = 6484472207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6484472201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170643987 + ... + 170644024.

It is an arithmetic number, because the mean of its divisors is an integer number (1706440060).

Almost surely, 26484472209 is an apocalyptic number.

It is an amenable number.

6484472209 is a deficient number, since it is larger than the sum of its proper divisors (341288031).

6484472209 is a wasteful number, since it uses less digits than its factorization.

6484472209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341288030.

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 6484472209 is about 80526.2206303015. The cubic root of 6484472209 is about 1864.7682997932.

The spelling of 6484472209 in words is "six billion, four hundred eighty-four million, four hundred seventy-two thousand, two hundred nine".

Divisors: 1 19 341288011 6484472209